diff --git a/Cargo.lock b/Cargo.lock
index 65f5935a1e900..fb11ceeadf664 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8619,14 +8619,15 @@ dependencies = [
 
 [[package]]
 name = "substrate-bip39"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c004e8166d6e0aa3a9d5fa673e5b7098ff25f930de1013a21341988151e681bb"
+checksum = "bed6646a0159b9935b5d045611560eeef842b78d7adc3ba36f5ca325a13a0236"
 dependencies = [
  "hmac",
  "pbkdf2",
  "schnorrkel",
  "sha2 0.8.2",
+ "zeroize",
 ]
 
 [[package]]
@@ -9546,7 +9547,7 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3bfd5b7557925ce778ff9b9ef90e3ade34c524b5ff10e239c69a42d546d2af56"
 dependencies = [
- "rand 0.5.6",
+ "rand 0.7.3",
 ]
 
 [[package]]
diff --git a/primitives/core/Cargo.toml b/primitives/core/Cargo.toml
index 1375fa228bfd1..518c35eae4d4f 100644
--- a/primitives/core/Cargo.toml
+++ b/primitives/core/Cargo.toml
@@ -26,7 +26,7 @@ hash-db = { version = "0.15.2", default-features = false }
 hash256-std-hasher = { version = "0.15.2", default-features = false }
 base58 = { version = "0.1.0", optional = true }
 rand = { version = "0.7.3", optional = true, features = ["small_rng"] }
-substrate-bip39 = { version = "0.4.1", optional = true }
+substrate-bip39 = { version = "0.4.2", optional = true }
 tiny-bip39 = { version = "0.7", optional = true }
 regex = { version = "1.3.1", optional = true }
 num-traits = { version = "0.2.8", default-features = false }