diff --git a/Cargo.lock b/Cargo.lock
index 866201ce37845..e24179197ee0e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5010,9 +5010,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "1.3.1"
+version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a74f02beb35d47e0706155c9eac554b50c671e0d868fe8296bcdf44a9a4847bf"
+checksum = "34d38aeaffc032ec69faa476b3caaca8d4dd7f3f798137ff30359e5c7869ceb6"
 dependencies = [
  "arrayvec 0.5.1",
  "bitvec",
@@ -5023,9 +5023,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec-derive"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a0ec292e92e8ec7c58e576adacc1e3f399c597c8f263c42f18420abe58e7245"
+checksum = "cd20ff7e0399b274a5f5bb37b712fccb5b3a64b9128200d1c3cc40fe709cb073"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
diff --git a/bin/node-template/pallets/template/Cargo.toml b/bin/node-template/pallets/template/Cargo.toml
index a025a9b929e95..6d8868386e38c 100644
--- a/bin/node-template/pallets/template/Cargo.toml
+++ b/bin/node-template/pallets/template/Cargo.toml
@@ -12,7 +12,7 @@ description = "FRAME pallet template for defining custom runtime logic."
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 
 [dependencies.frame-support]
 default-features = false
diff --git a/bin/node-template/runtime/Cargo.toml b/bin/node-template/runtime/Cargo.toml
index 71b68dfc2fb94..10f617e871893 100644
--- a/bin/node-template/runtime/Cargo.toml
+++ b/bin/node-template/runtime/Cargo.toml
@@ -11,7 +11,7 @@ repository = "https://github.com/paritytech/substrate/"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 
 aura = { version = "2.0.0-rc5", default-features = false, package = "pallet-aura", path = "../../../frame/aura" }
 balances = { version = "2.0.0-rc5", default-features = false, package = "pallet-balances", path = "../../../frame/balances" }
diff --git a/bin/node/cli/Cargo.toml b/bin/node/cli/Cargo.toml
index 71b4bfa69d856..03620976be820 100644
--- a/bin/node/cli/Cargo.toml
+++ b/bin/node/cli/Cargo.toml
@@ -34,7 +34,7 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 # third-party dependencies
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 serde = { version = "1.0.102", features = ["derive"] }
 futures = { version = "0.3.1", features = ["compat"] }
 hex-literal = "0.2.1"
diff --git a/bin/node/executor/Cargo.toml b/bin/node/executor/Cargo.toml
index 3849dedb880cb..6c6920d62be54 100644
--- a/bin/node/executor/Cargo.toml
+++ b/bin/node/executor/Cargo.toml
@@ -12,7 +12,7 @@ repository = "https://github.com/paritytech/substrate/"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 node-primitives = { version = "2.0.0-rc5", path = "../primitives" }
 node-runtime = { version = "2.0.0-rc5", path = "../runtime" }
 sc-executor = { version = "0.8.0-rc5", path = "../../../client/executor" }
diff --git a/bin/node/inspect/Cargo.toml b/bin/node/inspect/Cargo.toml
index 8e449e6840b22..b7f828a5f1e56 100644
--- a/bin/node/inspect/Cargo.toml
+++ b/bin/node/inspect/Cargo.toml
@@ -11,7 +11,7 @@ repository = "https://github.com/paritytech/substrate/"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 derive_more = "0.99"
 log = "0.4.8"
 sc-cli = { version = "0.8.0-rc5", path = "../../../client/cli" }
diff --git a/bin/node/primitives/Cargo.toml b/bin/node/primitives/Cargo.toml
index c61b5eda00956..6ff8a05d61432 100644
--- a/bin/node/primitives/Cargo.toml
+++ b/bin/node/primitives/Cargo.toml
@@ -11,7 +11,7 @@ repository = "https://github.com/paritytech/substrate/"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../../../frame/system" }
 sp-application-crypto = { version = "2.0.0-rc5", default-features = false, path = "../../../primitives/application-crypto" }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../../primitives/core" }
diff --git a/bin/node/runtime/Cargo.toml b/bin/node/runtime/Cargo.toml
index c09887e3f2ada..def3378643e71 100644
--- a/bin/node/runtime/Cargo.toml
+++ b/bin/node/runtime/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 
 # third-party dependencies
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 integer-sqrt = { version = "0.1.2" }
 serde = { version = "1.0.102", optional = true }
 static_assertions = "1.1.0"
diff --git a/bin/node/testing/Cargo.toml b/bin/node/testing/Cargo.toml
index 6f210c10c5467..a61a344cceed1 100644
--- a/bin/node/testing/Cargo.toml
+++ b/bin/node/testing/Cargo.toml
@@ -17,7 +17,7 @@ pallet-balances = { version = "2.0.0-rc5", path = "../../../frame/balances" }
 sc-service = { version = "0.8.0-rc5", features = ["test-helpers", "db"],  path = "../../../client/service" }
 sc-client-db = { version = "0.8.0-rc5", path = "../../../client/db/", features = ["kvdb-rocksdb", "parity-db"] }
 sc-client-api = { version = "2.0.0-rc5", path = "../../../client/api/" }
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 pallet-contracts = { version = "2.0.0-rc5", path = "../../../frame/contracts" }
 pallet-grandpa = { version = "2.0.0-rc5", path = "../../../frame/grandpa" }
 pallet-indices = { version = "2.0.0-rc5", path = "../../../frame/indices" }
diff --git a/bin/utils/subkey/Cargo.toml b/bin/utils/subkey/Cargo.toml
index 7578347a8241b..5338b36080773 100644
--- a/bin/utils/subkey/Cargo.toml
+++ b/bin/utils/subkey/Cargo.toml
@@ -22,7 +22,7 @@ tiny-bip39 = "0.7"
 substrate-bip39 = "0.4.1"
 hex = "0.4.0"
 hex-literal = "0.2.1"
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 frame-system = { version = "2.0.0-rc5", path = "../../../frame/system" }
 pallet-balances = { version = "2.0.0-rc5", path = "../../../frame/balances" }
 pallet-transaction-payment = { version = "2.0.0-rc5", path = "../../../frame/transaction-payment" }
diff --git a/client/api/Cargo.toml b/client/api/Cargo.toml
index a789e4b7a8ce3..45601771a4033 100644
--- a/client/api/Cargo.toml
+++ b/client/api/Cargo.toml
@@ -13,7 +13,7 @@ documentation = "https://docs.rs/sc-client-api"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-consensus = { version = "0.8.0-rc5", path = "../../primitives/consensus/common" }
 derive_more = { version = "0.99.2" }
 sc-executor = { version = "0.8.0-rc5", path = "../executor" }
diff --git a/client/authority-discovery/Cargo.toml b/client/authority-discovery/Cargo.toml
index dd632198625b7..2866fc141a203 100644
--- a/client/authority-discovery/Cargo.toml
+++ b/client/authority-discovery/Cargo.toml
@@ -17,7 +17,7 @@ prost-build = "0.6.1"
 
 [dependencies]
 bytes = "0.5.0"
-codec = { package = "parity-scale-codec", default-features = false, version = "1.3.1" }
+codec = { package = "parity-scale-codec", default-features = false, version = "1.3.4" }
 derive_more = "0.99.2"
 futures = "0.3.4"
 futures-timer = "3.0.1"
diff --git a/client/basic-authorship/Cargo.toml b/client/basic-authorship/Cargo.toml
index a19e838e05ce2..6160a41fdef43 100644
--- a/client/basic-authorship/Cargo.toml
+++ b/client/basic-authorship/Cargo.toml
@@ -12,7 +12,7 @@ description = "Basic implementation of block-authoring logic."
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 futures = "0.3.4"
 futures-timer = "3.0.1"
 log = "0.4.8"
diff --git a/client/block-builder/Cargo.toml b/client/block-builder/Cargo.toml
index 6f8317413cb84..ac1d0265fd9e2 100644
--- a/client/block-builder/Cargo.toml
+++ b/client/block-builder/Cargo.toml
@@ -22,7 +22,7 @@ sp-core = { version = "2.0.0-rc5", path = "../../primitives/core" }
 sp-block-builder = { version = "2.0.0-rc5", path = "../../primitives/block-builder" }
 sp-inherents = { version = "2.0.0-rc5", path = "../../primitives/inherents" }
 sc-client-api = { version = "2.0.0-rc5", path = "../api" }
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
 
 [dev-dependencies]
 substrate-test-runtime-client = { path = "../../test-utils/runtime/client" }
diff --git a/client/cli/Cargo.toml b/client/cli/Cargo.toml
index cde64ad6738b5..85a1eb0fe0a4c 100644
--- a/client/cli/Cargo.toml
+++ b/client/cli/Cargo.toml
@@ -16,7 +16,7 @@ derive_more = "0.99.2"
 env_logger = "0.7.0"
 log = "0.4.8"
 atty = "0.2.13"
-regex = "1.3.1"
+regex = "1.3.4"
 time = "0.1.42"
 ansi_term = "0.12.1"
 lazy_static = "1.4.0"
diff --git a/client/consensus/aura/Cargo.toml b/client/consensus/aura/Cargo.toml
index d8ed901ac4783..6bf60335b7bd5 100644
--- a/client/consensus/aura/Cargo.toml
+++ b/client/consensus/aura/Cargo.toml
@@ -17,7 +17,7 @@ sp-consensus-aura = { version = "0.8.0-rc5", path = "../../../primitives/consens
 sp-block-builder = { version = "2.0.0-rc5", path = "../../../primitives/block-builder" }
 sc-block-builder = { version = "0.8.0-rc5", path = "../../../client/block-builder" }
 sc-client-api = { version = "2.0.0-rc5", path = "../../api" }
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 sp-consensus = { version = "0.8.0-rc5", path = "../../../primitives/consensus/common" }
 derive_more = "0.99.2"
 futures = "0.3.4"
diff --git a/client/consensus/babe/Cargo.toml b/client/consensus/babe/Cargo.toml
index 0c612f4146b80..6ac8ca165eb5f 100644
--- a/client/consensus/babe/Cargo.toml
+++ b/client/consensus/babe/Cargo.toml
@@ -13,7 +13,7 @@ documentation = "https://docs.rs/sc-consensus-babe"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
 sp-consensus-babe = { version = "0.8.0-rc5", path = "../../../primitives/consensus/babe" }
 sp-core = { version = "2.0.0-rc5", path = "../../../primitives/core" }
 sp-application-crypto = { version = "2.0.0-rc5", path = "../../../primitives/application-crypto" }
diff --git a/client/consensus/epochs/Cargo.toml b/client/consensus/epochs/Cargo.toml
index 83d793bb2db16..4a26611a75886 100644
--- a/client/consensus/epochs/Cargo.toml
+++ b/client/consensus/epochs/Cargo.toml
@@ -12,7 +12,7 @@ repository = "https://github.com/paritytech/substrate/"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
 parking_lot = "0.10.0"
 fork-tree = { version = "2.0.0-rc5", path = "../../../utils/fork-tree" }
 sp-runtime = {  path = "../../../primitives/runtime" , version = "2.0.0-rc5"}
diff --git a/client/consensus/pow/Cargo.toml b/client/consensus/pow/Cargo.toml
index 0d4fae2d7abdb..b72166f9ce9b2 100644
--- a/client/consensus/pow/Cargo.toml
+++ b/client/consensus/pow/Cargo.toml
@@ -12,7 +12,7 @@ repository = "https://github.com/paritytech/substrate/"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
 sp-core = { version = "2.0.0-rc5", path = "../../../primitives/core" }
 sp-blockchain = { version = "2.0.0-rc5", path = "../../../primitives/blockchain" }
 sp-runtime = { version = "2.0.0-rc5", path = "../../../primitives/runtime" }
diff --git a/client/consensus/slots/Cargo.toml b/client/consensus/slots/Cargo.toml
index d18558043f507..9fe82d8505365 100644
--- a/client/consensus/slots/Cargo.toml
+++ b/client/consensus/slots/Cargo.toml
@@ -13,7 +13,7 @@ repository = "https://github.com/paritytech/substrate/"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 sc-client-api = { version = "2.0.0-rc5", path = "../../api" }
 sp-core = { version = "2.0.0-rc5", path = "../../../primitives/core" }
 sp-application-crypto = { version = "2.0.0-rc5", path = "../../../primitives/application-crypto" }
diff --git a/client/db/Cargo.toml b/client/db/Cargo.toml
index 71fe65b3d1838..c26f7121493cf 100644
--- a/client/db/Cargo.toml
+++ b/client/db/Cargo.toml
@@ -20,7 +20,7 @@ kvdb-memorydb = "0.7.0"
 linked-hash-map = "0.5.2"
 hash-db = "0.15.2"
 parity-util-mem = { version = "0.7.0", default-features = false, features = ["std"] }
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
 blake2-rfc = "0.2.18"
 
 sc-client-api = { version = "2.0.0-rc5", path = "../api" }
diff --git a/client/executor/Cargo.toml b/client/executor/Cargo.toml
index 0c0282b8d7157..2a6844c31f323 100644
--- a/client/executor/Cargo.toml
+++ b/client/executor/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 derive_more = "0.99.2"
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 sp-io = { version = "2.0.0-rc5", path = "../../primitives/io" }
 sp-core = { version = "2.0.0-rc5", path = "../../primitives/core" }
 sp-trie = { version = "2.0.0-rc5", path = "../../primitives/trie" }
diff --git a/client/executor/common/Cargo.toml b/client/executor/common/Cargo.toml
index c343c17f4b8be..2189d89b12d71 100644
--- a/client/executor/common/Cargo.toml
+++ b/client/executor/common/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 log = "0.4.8"
 derive_more = "0.99.2"
 parity-wasm = "0.41.0"
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 wasmi = "0.6.2"
 sp-core = { version = "2.0.0-rc5", path = "../../../primitives/core" }
 sp-allocator = { version = "2.0.0-rc5", path = "../../../primitives/allocator" }
diff --git a/client/executor/wasmi/Cargo.toml b/client/executor/wasmi/Cargo.toml
index 9588c12bc28db..74456f06671d3 100644
--- a/client/executor/wasmi/Cargo.toml
+++ b/client/executor/wasmi/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 log = "0.4.8"
 wasmi = "0.6.2"
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 sc-executor-common = { version = "0.8.0-rc5", path = "../common" }
 sp-wasm-interface = { version = "2.0.0-rc5", path = "../../../primitives/wasm-interface" }
 sp-runtime-interface = { version = "2.0.0-rc5", path = "../../../primitives/runtime-interface" }
diff --git a/client/executor/wasmtime/Cargo.toml b/client/executor/wasmtime/Cargo.toml
index b7891c5affc08..0267cf6efadc0 100644
--- a/client/executor/wasmtime/Cargo.toml
+++ b/client/executor/wasmtime/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 log = "0.4.8"
 scoped-tls = "1.0"
 parity-wasm = "0.41.0"
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 sc-executor-common = { version = "0.8.0-rc5", path = "../common" }
 sp-wasm-interface = { version = "2.0.0-rc5", path = "../../../primitives/wasm-interface" }
 sp-runtime-interface = { version = "2.0.0-rc5", path = "../../../primitives/runtime-interface" }
diff --git a/client/finality-grandpa/Cargo.toml b/client/finality-grandpa/Cargo.toml
index a8581a1b745bc..7b2e58b8be9a6 100644
--- a/client/finality-grandpa/Cargo.toml
+++ b/client/finality-grandpa/Cargo.toml
@@ -22,7 +22,7 @@ log = "0.4.8"
 parking_lot = "0.10.0"
 rand = "0.7.2"
 assert_matches = "1.3.0"
-parity-scale-codec = { version = "1.3.1", features = ["derive"] }
+parity-scale-codec = { version = "1.3.4", features = ["derive"] }
 sp-application-crypto = { version = "2.0.0-rc5", path = "../../primitives/application-crypto" }
 sp-arithmetic = { version = "2.0.0-rc5", path = "../../primitives/arithmetic" }
 sp-runtime = { version = "2.0.0-rc5", path = "../../primitives/runtime" }
diff --git a/client/light/Cargo.toml b/client/light/Cargo.toml
index 2c1aaf37a4028..53e84ae318641 100644
--- a/client/light/Cargo.toml
+++ b/client/light/Cargo.toml
@@ -20,7 +20,7 @@ sp-core = { version = "2.0.0-rc2", path = "../../primitives/core" }
 sp-state-machine = { version = "0.8.0-rc2", path = "../../primitives/state-machine" }
 sc-client-api = { version = "2.0.0-rc2", path = "../api" }
 sp-api = { version = "2.0.0-rc2", path = "../../primitives/api" }
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 sc-executor = { version = "0.8.0-rc2", path = "../executor" }
 
 [features]
diff --git a/client/network/Cargo.toml b/client/network/Cargo.toml
index 600e156ca9120..11346fdd3ffc6 100644
--- a/client/network/Cargo.toml
+++ b/client/network/Cargo.toml
@@ -19,7 +19,7 @@ prost-build = "0.6.1"
 bitflags = "1.2.0"
 bs58 = "0.3.1"
 bytes = "0.5.0"
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
 derive_more = "0.99.2"
 either = "1.5.3"
 erased-serde = "0.3.9"
diff --git a/client/offchain/Cargo.toml b/client/offchain/Cargo.toml
index a58278ee668a9..ef2b00daab4d3 100644
--- a/client/offchain/Cargo.toml
+++ b/client/offchain/Cargo.toml
@@ -22,7 +22,7 @@ log = "0.4.8"
 threadpool = "1.7"
 num_cpus = "1.10"
 sp-offchain = { version = "2.0.0-rc5", path = "../../primitives/offchain" }
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
 parking_lot = "0.10.0"
 sp-core = { version = "2.0.0-rc5", path = "../../primitives/core" }
 rand = "0.7.2"
diff --git a/client/rpc-api/Cargo.toml b/client/rpc-api/Cargo.toml
index 13469e091042a..7701befbf71a4 100644
--- a/client/rpc-api/Cargo.toml
+++ b/client/rpc-api/Cargo.toml
@@ -12,7 +12,7 @@ description = "Substrate RPC interfaces."
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 derive_more = "0.99.2"
 futures = { version = "0.3.1", features = ["compat"] }
 jsonrpc-core = "14.2.0"
diff --git a/client/rpc/Cargo.toml b/client/rpc/Cargo.toml
index 1eb3b71be49a2..9c91fa3bc075a 100644
--- a/client/rpc/Cargo.toml
+++ b/client/rpc/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 sc-rpc-api = { version = "0.8.0-rc5", path = "../rpc-api" }
 sc-client-api = { version = "2.0.0-rc5", path = "../api" }
 sp-api = { version = "2.0.0-rc5", path = "../../primitives/api" }
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 futures = { version = "0.3.1", features = ["compat"] }
 jsonrpc-pubsub = "14.2.0"
 log = "0.4.8"
diff --git a/client/service/Cargo.toml b/client/service/Cargo.toml
index 3511c29038299..ab7875132c03c 100644
--- a/client/service/Cargo.toml
+++ b/client/service/Cargo.toml
@@ -59,7 +59,7 @@ sc-light = { version = "2.0.0-rc5", path = "../light" }
 sc-client-api = { version = "2.0.0-rc5", path = "../api" }
 sp-api = { version = "2.0.0-rc5", path = "../../primitives/api" }
 sc-client-db = { version = "0.8.0-rc5", default-features = false, path = "../db" }
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 sc-executor = { version = "0.8.0-rc5", path = "../executor" }
 sc-transaction-pool = { version = "2.0.0-rc5", path = "../transaction-pool" }
 sp-transaction-pool = { version = "2.0.0-rc5", path = "../../primitives/transaction-pool" }
diff --git a/client/service/test/Cargo.toml b/client/service/test/Cargo.toml
index 6948579e6232e..d8f069eadfd72 100644
--- a/client/service/test/Cargo.toml
+++ b/client/service/test/Cargo.toml
@@ -41,4 +41,4 @@ sc-client-api = { version = "2.0.0-rc5", path = "../../api" }
 sc-block-builder = { version = "0.8.0-rc5", path = "../../block-builder" }
 sc-executor = { version = "0.8.0-rc5", path = "../../executor" }
 sp-panic-handler = { version = "2.0.0-rc5", path = "../../../primitives/panic-handler" }
-parity-scale-codec = "1.3.1"
+parity-scale-codec = "1.3.4"
diff --git a/client/state-db/Cargo.toml b/client/state-db/Cargo.toml
index 3a1436e677db2..685f68f083510 100644
--- a/client/state-db/Cargo.toml
+++ b/client/state-db/Cargo.toml
@@ -16,7 +16,7 @@ parking_lot = "0.10.0"
 log = "0.4.8"
 sc-client-api = { version = "2.0.0-rc5", path = "../api" }
 sp-core = { version = "2.0.0-rc5", path = "../../primitives/core" }
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
 parity-util-mem = { version = "0.7.0", default-features = false, features = ["primitive-types"] }
 parity-util-mem-derive = "0.1.0"
 
diff --git a/client/transaction-pool/Cargo.toml b/client/transaction-pool/Cargo.toml
index 6ae3f5a8abbf3..56ea881d7a016 100644
--- a/client/transaction-pool/Cargo.toml
+++ b/client/transaction-pool/Cargo.toml
@@ -12,7 +12,7 @@ description = "Substrate transaction pool implementation."
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 derive_more = "0.99.2"
 futures = { version = "0.3.1", features = ["compat"] }
 futures-diagnose = "1.0"
diff --git a/client/transaction-pool/graph/Cargo.toml b/client/transaction-pool/graph/Cargo.toml
index 3b47997a2c2a9..8719a9c8fed23 100644
--- a/client/transaction-pool/graph/Cargo.toml
+++ b/client/transaction-pool/graph/Cargo.toml
@@ -29,7 +29,7 @@ retain_mut = "0.1.1"
 
 [dev-dependencies]
 assert_matches = "1.3.0"
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 substrate-test-runtime = { version = "2.0.0-rc5", path = "../../../test-utils/runtime" }
 criterion = "0.3"
 
diff --git a/frame/assets/Cargo.toml b/frame/assets/Cargo.toml
index 9a2d395e020d9..47bf0cecf2117 100644
--- a/frame/assets/Cargo.toml
+++ b/frame/assets/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 # Needed for various traits. In our case, `OnFinalize`.
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
 # Needed for type-safe access to storage DB.
diff --git a/frame/atomic-swap/Cargo.toml b/frame/atomic-swap/Cargo.toml
index 6009327ab39d3..704d22ba780d5 100644
--- a/frame/atomic-swap/Cargo.toml
+++ b/frame/atomic-swap/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../system" }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
diff --git a/frame/aura/Cargo.toml b/frame/aura/Cargo.toml
index e31ebc45a50d1..cc9b1bf6f6602 100644
--- a/frame/aura/Cargo.toml
+++ b/frame/aura/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 sp-application-crypto = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/application-crypto" }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-inherents = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/inherents" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 serde = { version = "1.0.101", optional = true }
diff --git a/frame/authority-discovery/Cargo.toml b/frame/authority-discovery/Cargo.toml
index 9743badc4223a..bfd7017d06f30 100644
--- a/frame/authority-discovery/Cargo.toml
+++ b/frame/authority-discovery/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 sp-authority-discovery = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/authority-discovery" }
 sp-application-crypto = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/application-crypto" }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 serde = { version = "1.0.101", optional = true }
 pallet-session = { version = "2.0.0-rc5", features = ["historical" ], path = "../session", default-features = false }
diff --git a/frame/authorship/Cargo.toml b/frame/authorship/Cargo.toml
index f4dd71ef6ad18..9ddd24888ca98 100644
--- a/frame/authorship/Cargo.toml
+++ b/frame/authorship/Cargo.toml
@@ -12,7 +12,7 @@ repository = "https://github.com/paritytech/substrate/"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-inherents = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/inherents" }
 sp-authorship = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/authorship" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
diff --git a/frame/babe/Cargo.toml b/frame/babe/Cargo.toml
index 41a6496abd3c3..e2577e8daf11e 100644
--- a/frame/babe/Cargo.toml
+++ b/frame/babe/Cargo.toml
@@ -12,7 +12,7 @@ description = "Consensus extension module for BABE consensus. Collects on-chain
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 frame-benchmarking = { version = "2.0.0-rc5", default-features = false, path = "../benchmarking", optional = true }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../system" }
diff --git a/frame/balances/Cargo.toml b/frame/balances/Cargo.toml
index df13f50802ca2..e6c8eec65ded2 100644
--- a/frame/balances/Cargo.toml
+++ b/frame/balances/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
 frame-benchmarking = { version = "2.0.0-rc5", default-features = false, path = "../benchmarking", optional = true }
diff --git a/frame/benchmarking/Cargo.toml b/frame/benchmarking/Cargo.toml
index b66fb86400145..37dcd85b5985f 100644
--- a/frame/benchmarking/Cargo.toml
+++ b/frame/benchmarking/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 linregress = "0.1"
 paste = "0.1"
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 sp-api = { version = "2.0.0-rc5", path = "../../primitives/api", default-features = false }
 sp-runtime-interface = { version = "2.0.0-rc5", path = "../../primitives/runtime-interface", default-features = false }
 sp-runtime = { version = "2.0.0-rc5", path = "../../primitives/runtime", default-features = false }
diff --git a/frame/collective/Cargo.toml b/frame/collective/Cargo.toml
index b5ab0bf3bcbc0..b1db6fe6b97c8 100644
--- a/frame/collective/Cargo.toml
+++ b/frame/collective/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/core" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
diff --git a/frame/contracts/Cargo.toml b/frame/contracts/Cargo.toml
index a57f0e33e3263..f3ac96d68e979 100644
--- a/frame/contracts/Cargo.toml
+++ b/frame/contracts/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
 pwasm-utils = { version = "0.12.0", default-features = false }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 parity-wasm = { version = "0.41.0", default-features = false }
 wasmi-validation = { version = "0.3.0", default-features = false }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/core" }
diff --git a/frame/contracts/common/Cargo.toml b/frame/contracts/common/Cargo.toml
index 8788daf477bc3..a8f5e40760097 100644
--- a/frame/contracts/common/Cargo.toml
+++ b/frame/contracts/common/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 # This crate should not rely on any of the frame primitives.
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../../primitives/std" }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../../primitives/runtime" }
 
diff --git a/frame/contracts/rpc/Cargo.toml b/frame/contracts/rpc/Cargo.toml
index 8a2f64f5827a7..c6b8fc8ac10df 100644
--- a/frame/contracts/rpc/Cargo.toml
+++ b/frame/contracts/rpc/Cargo.toml
@@ -12,7 +12,7 @@ description = "Node-specific RPC methods for interaction with contracts."
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1" }
+codec = { package = "parity-scale-codec", version = "1.3.4" }
 jsonrpc-core = "14.2.0"
 jsonrpc-core-client = "14.2.0"
 jsonrpc-derive = "14.2.1"
diff --git a/frame/contracts/rpc/runtime-api/Cargo.toml b/frame/contracts/rpc/runtime-api/Cargo.toml
index aec4005cda910..a9266b986c6ca 100644
--- a/frame/contracts/rpc/runtime-api/Cargo.toml
+++ b/frame/contracts/rpc/runtime-api/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 sp-api = { version = "2.0.0-rc5", default-features = false, path = "../../../../primitives/api" }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../../../primitives/std" }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../../../primitives/runtime" }
 pallet-contracts-primitives = { version = "2.0.0-rc5", default-features = false, path = "../../common" }
diff --git a/frame/democracy/Cargo.toml b/frame/democracy/Cargo.toml
index bc373764f16cb..3d67b4d0ec578 100644
--- a/frame/democracy/Cargo.toml
+++ b/frame/democracy/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
diff --git a/frame/elections-phragmen/Cargo.toml b/frame/elections-phragmen/Cargo.toml
index 32433feb4f11d..83ac253a8ba82 100644
--- a/frame/elections-phragmen/Cargo.toml
+++ b/frame/elections-phragmen/Cargo.toml
@@ -12,7 +12,7 @@ description = "FRAME pallet based on seq-Phragmén election method."
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 serde = { version = "1.0.101", optional = true }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
 sp-npos-elections = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/npos-elections" }
diff --git a/frame/elections/Cargo.toml b/frame/elections/Cargo.toml
index 253a4a436dbea..8226512a6263f 100644
--- a/frame/elections/Cargo.toml
+++ b/frame/elections/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/core" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
diff --git a/frame/evm/Cargo.toml b/frame/evm/Cargo.toml
index 05f44f6ec02fa..a5ec28ddf9c3b 100644
--- a/frame/evm/Cargo.toml
+++ b/frame/evm/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../system" }
 pallet-timestamp = { version = "2.0.0-rc5", default-features = false, path = "../timestamp" }
diff --git a/frame/example-offchain-worker/Cargo.toml b/frame/example-offchain-worker/Cargo.toml
index 555370c8d9589..5f11bd54a45fc 100644
--- a/frame/example-offchain-worker/Cargo.toml
+++ b/frame/example-offchain-worker/Cargo.toml
@@ -12,7 +12,7 @@ description = "FRAME example pallet for offchain worker"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../system" }
 serde = { version = "1.0.101", optional = true }
diff --git a/frame/example/Cargo.toml b/frame/example/Cargo.toml
index 5a23f0fb3e27a..2f7af90d76d2f 100644
--- a/frame/example/Cargo.toml
+++ b/frame/example/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../system" }
 pallet-balances = { version = "2.0.0-rc5", default-features = false, path = "../balances" }
diff --git a/frame/executive/Cargo.toml b/frame/executive/Cargo.toml
index fdc49628a42cb..ea123bd6e7fb8 100644
--- a/frame/executive/Cargo.toml
+++ b/frame/executive/Cargo.toml
@@ -12,7 +12,7 @@ description = "FRAME executives engine"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../system" }
 serde = { version = "1.0.101", optional = true }
diff --git a/frame/finality-tracker/Cargo.toml b/frame/finality-tracker/Cargo.toml
index 91544215f1418..9b54717e4dbb1 100644
--- a/frame/finality-tracker/Cargo.toml
+++ b/frame/finality-tracker/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", default-features = false, features = ["derive"] }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 sp-inherents = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/inherents" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
diff --git a/frame/generic-asset/Cargo.toml b/frame/generic-asset/Cargo.toml
index 4c1d474e57874..e1e5903062796 100644
--- a/frame/generic-asset/Cargo.toml
+++ b/frame/generic-asset/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
diff --git a/frame/grandpa/Cargo.toml b/frame/grandpa/Cargo.toml
index 3267c56de9f09..004255b9e1e33 100644
--- a/frame/grandpa/Cargo.toml
+++ b/frame/grandpa/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-application-crypto = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/application-crypto" }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/core" }
 sp-finality-grandpa = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/finality-grandpa" }
diff --git a/frame/identity/Cargo.toml b/frame/identity/Cargo.toml
index 04337a28fa7b8..99e147b3141ce 100644
--- a/frame/identity/Cargo.toml
+++ b/frame/identity/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 enumflags2 = { version = "0.6.2" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
diff --git a/frame/im-online/Cargo.toml b/frame/im-online/Cargo.toml
index 9dfc41a802cbd..75fc4e2454cca 100644
--- a/frame/im-online/Cargo.toml
+++ b/frame/im-online/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 sp-application-crypto = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/application-crypto" }
 pallet-authorship = { version = "2.0.0-rc5", default-features = false, path = "../authorship" }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/core" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 serde = { version = "1.0.101", optional = true }
diff --git a/frame/indices/Cargo.toml b/frame/indices/Cargo.toml
index 32cbc55fa0dfc..85ab36bc03905 100644
--- a/frame/indices/Cargo.toml
+++ b/frame/indices/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-keyring = { version = "2.0.0-rc5", optional = true, path = "../../primitives/keyring" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
diff --git a/frame/membership/Cargo.toml b/frame/membership/Cargo.toml
index 2b730e0b3905a..fd138a97c7eac 100644
--- a/frame/membership/Cargo.toml
+++ b/frame/membership/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
diff --git a/frame/metadata/Cargo.toml b/frame/metadata/Cargo.toml
index 6d253ab5482d1..be508ef2c04ca 100644
--- a/frame/metadata/Cargo.toml
+++ b/frame/metadata/Cargo.toml
@@ -12,7 +12,7 @@ description = "Decodable variant of the RuntimeMetadata."
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/core" }
diff --git a/frame/multisig/Cargo.toml b/frame/multisig/Cargo.toml
index cbd4047658c70..aae3646644d0a 100644
--- a/frame/multisig/Cargo.toml
+++ b/frame/multisig/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../system" }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/core" }
diff --git a/frame/nicks/Cargo.toml b/frame/nicks/Cargo.toml
index 44ade197aa8d1..e63ed2c600d85 100644
--- a/frame/nicks/Cargo.toml
+++ b/frame/nicks/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
diff --git a/frame/offences/Cargo.toml b/frame/offences/Cargo.toml
index deb4d057fc028..db0c847e9a143 100644
--- a/frame/offences/Cargo.toml
+++ b/frame/offences/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 pallet-balances = { version = "2.0.0-rc5", default-features = false, path = "../balances" }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 serde = { version = "1.0.101", optional = true }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
diff --git a/frame/offences/benchmarking/Cargo.toml b/frame/offences/benchmarking/Cargo.toml
index df29034ee7105..12d4882e60bd0 100644
--- a/frame/offences/benchmarking/Cargo.toml
+++ b/frame/offences/benchmarking/Cargo.toml
@@ -12,7 +12,7 @@ description = "FRAME offences pallet benchmarking"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 frame-benchmarking = { version = "2.0.0-rc5", default-features = false, path = "../../benchmarking" }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../../system" }
@@ -28,7 +28,6 @@ sp-staking = { version = "2.0.0-rc5", default-features = false, path = "../../..
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../../primitives/std" }
 
 [dev-dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
 pallet-staking-reward-curve = { version = "2.0.0-rc5", path = "../../staking/reward-curve" }
 pallet-timestamp = { version = "2.0.0-rc5", path = "../../timestamp" }
 serde = { version = "1.0.101" }
@@ -51,4 +50,5 @@ std = [
 	"sp-runtime/std",
 	"sp-staking/std",
 	"sp-std/std",
+	"codec/std",
 ]
diff --git a/frame/proxy/Cargo.toml b/frame/proxy/Cargo.toml
index f6059cd0bfdb2..155a139542006 100644
--- a/frame/proxy/Cargo.toml
+++ b/frame/proxy/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../system" }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/core" }
diff --git a/frame/randomness-collective-flip/Cargo.toml b/frame/randomness-collective-flip/Cargo.toml
index 06ab6496e7cdd..28a16dc6411b6 100644
--- a/frame/randomness-collective-flip/Cargo.toml
+++ b/frame/randomness-collective-flip/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 safe-mix = { version = "1.0", default-features = false }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc5", default-features = false, path = "../system" }
diff --git a/frame/recovery/Cargo.toml b/frame/recovery/Cargo.toml
index 525df050e4875..6302a817171c0 100644
--- a/frame/recovery/Cargo.toml
+++ b/frame/recovery/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 enumflags2 = { version = "0.6.2" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
diff --git a/frame/scored-pool/Cargo.toml b/frame/scored-pool/Cargo.toml
index bacf2bdcffa0f..1c25b8abfdf04 100644
--- a/frame/scored-pool/Cargo.toml
+++ b/frame/scored-pool/Cargo.toml
@@ -12,7 +12,7 @@ description = "FRAME pallet for scored pools"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 serde = { version = "1.0.101", optional = true }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
diff --git a/frame/session/Cargo.toml b/frame/session/Cargo.toml
index 11efa857ca45c..b4150fb8e7836 100644
--- a/frame/session/Cargo.toml
+++ b/frame/session/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-core = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/core" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-io = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }
diff --git a/frame/session/benchmarking/Cargo.toml b/frame/session/benchmarking/Cargo.toml
index 356bfad6b983f..e784ff16e8523 100644
--- a/frame/session/benchmarking/Cargo.toml
+++ b/frame/session/benchmarking/Cargo.toml
@@ -24,7 +24,7 @@ rand = { version = "0.7.2", default-features = false }
 
 [dev-dependencies]
 serde = { version = "1.0.101" }
-codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", features = ["derive"] }
 sp-core = { version = "2.0.0-rc5", path = "../../../primitives/core" }
 pallet-staking-reward-curve = { version = "2.0.0-rc5", path = "../../staking/reward-curve" }
 sp-io ={ version = "2.0.0-rc5", path = "../../../primitives/io" }
diff --git a/frame/society/Cargo.toml b/frame/society/Cargo.toml
index f7975890bc6c2..229191c3ccb80 100644
--- a/frame/society/Cargo.toml
+++ b/frame/society/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-runtime = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/runtime" }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 frame-support = { version = "2.0.0-rc5", default-features = false, path = "../support" }
diff --git a/frame/staking/Cargo.toml b/frame/staking/Cargo.toml
index e0f963df84755..f0bc0c0ac7ca6 100644
--- a/frame/staking/Cargo.toml
+++ b/frame/staking/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 static_assertions = "1.1.0"
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 sp-std = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/std" }
 sp-npos-elections = { version = "2.0.0-rc5", default-features = false, path = "../../primitives/npos-elections" }
 sp-io ={ version = "2.0.0-rc5", default-features = false, path = "../../primitives/io" }