diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06ce54ba7..e66171096 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 - `--output-json` support for `call`, `instantiate` and `upload` commands - [#722](https://github.com/paritytech/cargo-contract/pull/722)
+- Use new ink entrance crate - [#728](https://github.com/paritytech/cargo-contract/pull/728)
 
 ## [2.0.0-alpha.2] - 2022-09-02
 
diff --git a/Cargo.lock b/Cargo.lock
index ba2202366..47b365166 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -648,11 +648,9 @@ dependencies = [
  "escape8259",
  "hex",
  "indexmap",
+ "ink",
  "ink_env",
- "ink_lang",
  "ink_metadata",
- "ink_primitives",
- "ink_storage",
  "itertools",
  "nom",
  "nom-supreme",
@@ -1423,23 +1421,60 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "ink"
+version = "4.0.0-alpha.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfc1a216f815f0da881250d7bff100f821d64a2e7ce08b6eccf01c32fbe95d5"
+dependencies = [
+ "derive_more",
+ "ink_env",
+ "ink_macro",
+ "ink_metadata",
+ "ink_prelude",
+ "ink_primitives",
+ "ink_storage",
+ "parity-scale-codec",
+]
+
 [[package]]
 name = "ink_allocator"
-version = "4.0.0-alpha.1"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51716586362dbfbaf67cdfd1d2e683b7925daf69a437a6fe16ff20583129d7c4"
+checksum = "1d19e055fdd9ef9fa0dd930d706b4b6f546487d3fcc9d45f6ba08d9d0d7102f3"
 dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "ink_codegen"
+version = "4.0.0-alpha.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a504663904857ce2ba5e8b85fb5d8001ebff40c327f4cc06b10c2f9b403e0a99"
+dependencies = [
+ "blake2",
+ "derive_more",
+ "either",
+ "heck",
+ "impl-serde 0.4.0",
+ "ink_ir",
+ "ink_primitives",
+ "itertools",
+ "parity-scale-codec",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "ink_engine"
-version = "4.0.0-alpha.1"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eece522b2a9d73ae66b28b1ce34a27c2169b8fa35bc0f8f97995f6b9a2387dca"
+checksum = "9d732c7fef97ab91625125750c73477f0e43cb89b57e57fca4741707c2769871"
 dependencies = [
  "blake2",
  "derive_more",
+ "ink_primitives",
  "parity-scale-codec",
  "rand 0.8.5",
  "secp256k1 0.24.0",
@@ -1449,9 +1484,9 @@ dependencies = [
 
 [[package]]
 name = "ink_env"
-version = "4.0.0-alpha.1"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a0fb4e9e5bdc53e6a49f1716d8d89d25b2f4e3bad6f280773fb976ca77a60ff"
+checksum = "af306608913616b0b69a8293ce03423f057e3293648909ba66061f38e5794f79"
 dependencies = [
  "arrayref",
  "blake2",
@@ -1462,6 +1497,7 @@ dependencies = [
  "ink_metadata",
  "ink_prelude",
  "ink_primitives",
+ "ink_storage_traits",
  "num-traits",
  "parity-scale-codec",
  "paste",
@@ -1475,45 +1511,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "ink_lang"
-version = "4.0.0-alpha.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30424a655c93946c8e07473acdd5bc584f772a1a86d3d43bf528ceec03f1aa4c"
-dependencies = [
- "derive_more",
- "ink_env",
- "ink_lang_macro",
- "ink_metadata",
- "ink_prelude",
- "ink_primitives",
- "ink_storage",
- "parity-scale-codec",
-]
-
-[[package]]
-name = "ink_lang_codegen"
-version = "4.0.0-alpha.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da7e0d02c594736048253a0784fd78316a93e186881317aa65b53a7a23c7f750"
-dependencies = [
- "blake2",
- "derive_more",
- "either",
- "heck",
- "impl-serde 0.3.2",
- "ink_lang_ir",
- "itertools",
- "parity-scale-codec",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "ink_lang_ir"
-version = "4.0.0-alpha.1"
+name = "ink_ir"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bab84043bbde9fd0ab685e5f32be92c5223b943a1a30078f1ceae19386df2d32"
+checksum = "900a7742a319a1fee36172869397e1f6fdf60adbb6a723cd819f0a1874775056"
 dependencies = [
  "blake2",
  "either",
@@ -1524,27 +1525,29 @@ dependencies = [
 ]
 
 [[package]]
-name = "ink_lang_macro"
-version = "4.0.0-alpha.1"
+name = "ink_macro"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f63f2bc42f196e8397ec4c87763a4998b0c3ef605a4067e5b7a743812bab9864"
+checksum = "9dbaaeaa0e16d757eb799c732737fae6d7261e8a9257d5678b75b92a4f8dc516"
 dependencies = [
- "ink_lang_codegen",
- "ink_lang_ir",
+ "ink_codegen",
+ "ink_ir",
  "ink_primitives",
  "parity-scale-codec",
  "proc-macro2",
+ "quote",
  "syn",
+ "synstructure",
 ]
 
 [[package]]
 name = "ink_metadata"
-version = "4.0.0-alpha.1"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0cf9e970d05710b5488ad92c19b9ab94fc6ece973db4f4c8e1e0d2ff59218cf"
+checksum = "f2ae8287f3ae7a9473f1b767db3da834b6875ec7ac4c105ee360a38a5b9d9538"
 dependencies = [
  "derive_more",
- "impl-serde 0.3.2",
+ "impl-serde 0.4.0",
  "ink_prelude",
  "ink_primitives",
  "scale-info",
@@ -1553,30 +1556,31 @@ dependencies = [
 
 [[package]]
 name = "ink_prelude"
-version = "4.0.0-alpha.1"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "799f1435d7323a130e13ba599ab801b826e4ea90508c04306cf16615a4f88bba"
+checksum = "1cd0137ab1536069c7ece025498bc957b02dcaa51460dd2a4402e80521124d04"
 dependencies = [
  "cfg-if",
 ]
 
 [[package]]
 name = "ink_primitives"
-version = "4.0.0-alpha.1"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a601c52715f3f30eaec72958dddebcf60258e3a4c163719c00258153debe515a"
+checksum = "433de1b6ff673158ec18b18fc1c149f6e3fa17d76f830256a67292f6fb4bbccf"
 dependencies = [
- "cfg-if",
+ "derive_more",
  "ink_prelude",
  "parity-scale-codec",
  "scale-info",
+ "xxhash-rust",
 ]
 
 [[package]]
 name = "ink_storage"
-version = "4.0.0-alpha.1"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c5208bd825a580c5e20e3c6befa001aa2b5e179cd548163baa1e6bac2ab4cb4"
+checksum = "573363ad95f7dc14c41ed3109ab856419ba02f8c433ae6ca5f1d227494260f6a"
 dependencies = [
  "array-init",
  "cfg-if",
@@ -1585,21 +1589,23 @@ dependencies = [
  "ink_metadata",
  "ink_prelude",
  "ink_primitives",
- "ink_storage_derive",
+ "ink_storage_traits",
  "parity-scale-codec",
  "scale-info",
 ]
 
 [[package]]
-name = "ink_storage_derive"
-version = "4.0.0-alpha.1"
+name = "ink_storage_traits"
+version = "4.0.0-alpha.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8eb0065ceb70ed1a2afe8e5dc42ad97df9cdd09072aef944ff580ba7768c959"
+checksum = "88aa73c6b8815726674ddc451afa23ec363bc0cafaef81f031e036ff3dfa9506"
 dependencies = [
- "proc-macro2",
- "quote",
+ "ink_metadata",
+ "ink_prelude",
+ "ink_primitives",
+ "parity-scale-codec",
+ "scale-info",
  "syn",
- "synstructure",
 ]
 
 [[package]]
@@ -4100,6 +4106,12 @@ dependencies = [
  "tap",
 ]
 
+[[package]]
+name = "xxhash-rust"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "074914ea4eec286eb8d1fd745768504f420a1f7b7919185682a4a267bed7d2e7"
+
 [[package]]
 name = "yansi"
 version = "0.5.1"
diff --git a/crates/cargo-contract/src/cmd/build/mod.rs b/crates/cargo-contract/src/cmd/build/mod.rs
index f2499360a..76501a39f 100644
--- a/crates/cargo-contract/src/cmd/build/mod.rs
+++ b/crates/cargo-contract/src/cmd/build/mod.rs
@@ -295,7 +295,7 @@ fn exec_cargo_for_wasm_target(
             args.push("--offline");
         }
         if build_mode == BuildMode::Debug {
-            args.push("--features=ink_env/ink-debug");
+            args.push("--features=ink/ink-debug");
         } else {
             args.push("-Zbuild-std-features=panic_immediate_abort");
         }
diff --git a/crates/cargo-contract/src/cmd/extrinsics/error.rs b/crates/cargo-contract/src/cmd/extrinsics/error.rs
index a42f23093..7c7266d30 100644
--- a/crates/cargo-contract/src/cmd/extrinsics/error.rs
+++ b/crates/cargo-contract/src/cmd/extrinsics/error.rs
@@ -42,7 +42,7 @@ impl From<subxt::Error> for ErrorVariant {
 
 impl From<anyhow::Error> for ErrorVariant {
     fn from(error: anyhow::Error) -> Self {
-        Self::Generic(GenericError::from_message(format!("{}", error)))
+        Self::Generic(GenericError::from_message(format!("{:?}", error)))
     }
 }
 
diff --git a/crates/cargo-contract/src/crate_metadata.rs b/crates/cargo-contract/src/crate_metadata.rs
index 1c7d98b09..12f10caad 100644
--- a/crates/cargo-contract/src/crate_metadata.rs
+++ b/crates/cargo-contract/src/crate_metadata.rs
@@ -100,16 +100,16 @@ impl CrateMetadata {
             .packages
             .iter()
             .find_map(|package| {
-                if package.name == "ink_lang" {
+                if package.name == "ink" {
                     Some(
                         Version::parse(&package.version.to_string())
-                            .expect("Invalid ink_lang version string"),
+                            .expect("Invalid ink crate version string"),
                     )
                 } else {
                     None
                 }
             })
-            .ok_or_else(|| anyhow::anyhow!("No 'ink_lang' dependency found"))?;
+            .ok_or_else(|| anyhow::anyhow!("No 'ink' dependency found"))?;
 
         let ExtraMetadata {
             documentation,
diff --git a/crates/cargo-contract/src/workspace/manifest.rs b/crates/cargo-contract/src/workspace/manifest.rs
index 89bece23f..f68e06865 100644
--- a/crates/cargo-contract/src/workspace/manifest.rs
+++ b/crates/cargo-contract/src/workspace/manifest.rs
@@ -462,18 +462,16 @@ impl Manifest {
                 .as_str()
                 .ok_or_else(|| anyhow::anyhow!("[package] name should be a string"))?;
 
-            let ink_metadata = self
+            let ink_crate = self
                 .toml
                 .get("dependencies")
                 .ok_or_else(|| anyhow::anyhow!("[dependencies] section not found"))?
-                .get("ink_metadata")
-                .ok_or_else(|| anyhow::anyhow!("ink_metadata dependency not found"))?
+                .get("ink")
+                .ok_or_else(|| anyhow::anyhow!("ink dependency not found"))?
                 .as_table()
-                .ok_or_else(|| {
-                    anyhow::anyhow!("ink_metadata dependency should be a table")
-                })?;
+                .ok_or_else(|| anyhow::anyhow!("ink dependency should be a table"))?;
 
-            metadata::generate_package(dir, contract_package_name, ink_metadata.clone())?;
+            metadata::generate_package(dir, contract_package_name, ink_crate.clone())?;
         }
 
         let updated_toml = toml::to_string(&self.toml)?;
diff --git a/crates/cargo-contract/src/workspace/metadata.rs b/crates/cargo-contract/src/workspace/metadata.rs
index 2919b5d5b..bb97ada80 100644
--- a/crates/cargo-contract/src/workspace/metadata.rs
+++ b/crates/cargo-contract/src/workspace/metadata.rs
@@ -31,7 +31,7 @@ use toml::value;
 pub(super) fn generate_package<P: AsRef<Path>>(
     target_dir: P,
     contract_package_name: &str,
-    mut ink_metadata_dependency: value::Table,
+    mut ink_crate_dependency: value::Table,
 ) -> Result<()> {
     let dir = target_dir.as_ref();
     tracing::debug!(
@@ -59,12 +59,12 @@ pub(super) fn generate_package<P: AsRef<Path>>(
     contract.insert("package".into(), contract_package_name.into());
 
     // make ink_metadata dependency use default features
-    ink_metadata_dependency.remove("default-features");
-    ink_metadata_dependency.remove("features");
-    ink_metadata_dependency.remove("optional");
+    ink_crate_dependency.remove("default-features");
+    ink_crate_dependency.remove("features");
+    ink_crate_dependency.remove("optional");
 
     // add ink dependencies copied from contract manifest
-    deps.insert("ink_metadata".into(), ink_metadata_dependency.into());
+    deps.insert("ink".into(), ink_crate_dependency.into());
     let cargo_toml = toml::to_string(&cargo_toml)?;
 
     fs::write(dir.join("Cargo.toml"), cargo_toml)?;
diff --git a/crates/cargo-contract/templates/new/_Cargo.toml b/crates/cargo-contract/templates/new/_Cargo.toml
index e63990243..31b35079d 100644
--- a/crates/cargo-contract/templates/new/_Cargo.toml
+++ b/crates/cargo-contract/templates/new/_Cargo.toml
@@ -5,11 +5,7 @@ authors = ["[your_name] <[your_email]>"]
 edition = "2021"
 
 [dependencies]
-ink_primitives = { version = "4.0.0-alpha.1", default-features = false }
-ink_metadata = { version = "4.0.0-alpha.1", default-features = false, features = ["derive"], optional = true }
-ink_env = { version = "4.0.0-alpha.1", default-features = false }
-ink_storage = { version = "4.0.0-alpha.1", default-features = false }
-ink_lang = { version = "4.0.0-alpha.1", default-features = false }
+ink = { version = "4.0.0-alpha.3", default-features = false }
 
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 scale-info = { version = "2", default-features = false, features = ["derive"], optional = true }
@@ -25,10 +21,7 @@ crate-type = [
 [features]
 default = ["std"]
 std = [
-    "ink_metadata/std",
-    "ink_env/std",
-    "ink_storage/std",
-    "ink_primitives/std",
+    "ink/std",
     "scale/std",
     "scale-info/std",
 ]
diff --git a/crates/cargo-contract/templates/new/lib.rs b/crates/cargo-contract/templates/new/lib.rs
index 45c4c5edd..6fd410c4f 100644
--- a/crates/cargo-contract/templates/new/lib.rs
+++ b/crates/cargo-contract/templates/new/lib.rs
@@ -1,7 +1,5 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
-use ink_lang as ink;
-
 #[ink::contract]
 mod {{name}} {
 
@@ -52,9 +50,6 @@ mod {{name}} {
         /// Imports all the definitions from the outer scope so we can use them here.
         use super::*;
 
-        /// Imports `ink_lang` so we can use `#[ink::test]`.
-        use ink_lang as ink;
-
         /// We test if the default constructor does its job.
         #[ink::test]
         fn default_works() {
diff --git a/crates/cargo-contract/templates/tools/generate-metadata/main.rs b/crates/cargo-contract/templates/tools/generate-metadata/main.rs
index c703267b4..e675b457e 100644
--- a/crates/cargo-contract/templates/tools/generate-metadata/main.rs
+++ b/crates/cargo-contract/templates/tools/generate-metadata/main.rs
@@ -3,7 +3,7 @@ extern crate contract;
 extern "Rust" {
     // Note: The ink! metdata codegen generates an implementation for this function,
     // which is what we end up linking to here.
-    fn __ink_generate_metadata() -> ink_metadata::InkProject;
+    fn __ink_generate_metadata() -> ink::metadata::InkProject;
 }
 
 fn main() -> Result<(), std::io::Error> {
diff --git a/crates/cargo-contract/tests/decode.rs b/crates/cargo-contract/tests/decode.rs
index f04e81dc7..848da7b8f 100644
--- a/crates/cargo-contract/tests/decode.rs
+++ b/crates/cargo-contract/tests/decode.rs
@@ -29,8 +29,6 @@ fn decode_works() {
     let contract = r#"
 		#![cfg_attr(not(feature = "std"), no_std)]
 
-		use ink_lang as ink;
-
 		#[ink::contract]
 		mod switcher {
 			#[ink(event)]
diff --git a/crates/transcode/Cargo.toml b/crates/transcode/Cargo.toml
index 5a9a811b7..ef3b3ad29 100644
--- a/crates/transcode/Cargo.toml
+++ b/crates/transcode/Cargo.toml
@@ -23,8 +23,8 @@ env_logger = "0.9.1"
 escape8259 = "0.5.2"
 hex = "0.4.3"
 indexmap = "1.9.1"
-ink_env = "4.0.0-alpha.1"
-ink_metadata = { version = "4.0.0-alpha.1", features = ["derive"] }
+ink_env = "4.0.0-alpha.3"
+ink_metadata = { package = "ink_metadata", version = "4.0.0-alpha.3" }
 itertools = "0.10.4"
 tracing = "0.1.36"
 nom = "7.1.1"
@@ -38,9 +38,7 @@ sp-runtime = "6.0.0"
 
 [dev-dependencies]
 assert_matches = "1.5.0"
-ink_lang = "4.0.0-alpha.1"
-ink_primitives = "4.0.0-alpha.1"
-ink_storage = "4.0.0-alpha.1"
+ink = "4.0.0-alpha.3"
 
 [features]
 # This `std` feature is required for testing using an inline contract's metadata, because `ink!` annotates the metadata
diff --git a/crates/transcode/src/lib.rs b/crates/transcode/src/lib.rs
index faa0b6a97..b0b9626c2 100644
--- a/crates/transcode/src/lib.rs
+++ b/crates/transcode/src/lib.rs
@@ -403,7 +403,6 @@ mod tests {
     use std::str::FromStr;
 
     use crate::scon::Hex;
-    use ink_lang as ink;
 
     #[allow(clippy::extra_unused_lifetimes)]
     #[ink::contract]
@@ -475,9 +474,9 @@ mod tests {
         }
     }
 
-    fn generate_metadata() -> ink_metadata::InkProject {
+    fn generate_metadata() -> InkProject {
         extern "Rust" {
-            fn __ink_generate_metadata() -> ink_metadata::InkProject;
+            fn __ink_generate_metadata() -> InkProject;
         }
 
         unsafe { __ink_generate_metadata() }