diff --git a/Cargo.toml b/Cargo.toml
index 057effc733582c841190fc173d0d2a5372e18710..7768fbb8d340596ac33f1bcf2ea166008b0925f0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,6 @@ version = "0.17.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 edition = "2021"
-rust-version = "1.56.1"
 
 license = "GPL-3.0"
 readme = "README.md"
diff --git a/build.rs b/build.rs
index dc79aa3f4c229610682acb84e38d62c14b24d4b7..fd0c5fd31b064593df90a49c385f699c074d742a 100644
--- a/build.rs
+++ b/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
@@ -95,7 +95,7 @@ fn zip_dir(src_dir: &Path, dst_file: &Path, method: CompressionMethod) -> Result
         let path = entry.path();
         let mut name = path.strip_prefix(&src_dir)?.to_path_buf();
 
-        // Cargo.toml files cause the folder to excluded from `cargo package` so need to be renamed
+        // `Cargo.toml` files cause the folder to excluded from `cargo package` so need to be renamed
         if name.file_name() == Some(OsStr::new("_Cargo.toml")) {
             name.set_file_name("Cargo.toml");
         }
diff --git a/metadata/Cargo.toml b/metadata/Cargo.toml
index d2507a42b3db13b070f68a9e803f84021433aad8..c6ef91437b809ea868fea86e46138c6392830da0 100644
--- a/metadata/Cargo.toml
+++ b/metadata/Cargo.toml
@@ -3,7 +3,6 @@ name = "contract-metadata"
 version = "0.5.1"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
-rust-version = "1.56.1"
 
 license = "Apache-2.0"
 readme = "README.md"
@@ -11,7 +10,7 @@ repository = "https://github.com/paritytech/cargo-contract"
 documentation = "https://docs.rs/contract-metadata"
 homepage = "https://www.substrate.io/"
 description = "Library defining metadata for smart contracts on substrate"
-keywords = ["parity", "blockchain"]
+keywords = ["wasm", "parity", "webassembly", "blockchain", "edsl"]
 include = ["Cargo.toml", "*.rs", "LICENSE"]
 
 [lib]
diff --git a/metadata/byte_str.rs b/metadata/byte_str.rs
index 7ebff356b568f1484724676325037d0312519d3d..020c2b2a40a257c7bc82ad2e1b0e513488bd255b 100644
--- a/metadata/byte_str.rs
+++ b/metadata/byte_str.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
diff --git a/metadata/lib.rs b/metadata/lib.rs
index 776c55ee033232f58befba32399fccf13d2a75d0..990b8339c8951774ed3c5dd8db0241d9326e2e65 100644
--- a/metadata/lib.rs
+++ b/metadata/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
diff --git a/src/cmd/build.rs b/src/cmd/build.rs
index 808822659a0e0c678051890f6ee1d2e551f3f6a7..8f40212f808ba6038333c49a2daf8978b5df58e3 100644
--- a/src/cmd/build.rs
+++ b/src/cmd/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
@@ -54,13 +54,13 @@ pub(crate) struct ExecuteArgs {
     output_type: OutputType,
 }
 
-/// Executes build of the smart-contract which produces a wasm binary that is ready for deploying.
+/// Executes build of the smart contract which produces a Wasm binary that is ready for deploying.
 ///
 /// It does so by invoking `cargo build` and then post processing the final binary.
 #[derive(Debug, StructOpt)]
 #[structopt(name = "build")]
 pub struct BuildCommand {
-    /// Path to the Cargo.toml of the contract to build
+    /// Path to the `Cargo.toml` of the contract to build
     #[structopt(long, parse(from_os_str))]
     manifest_path: Option<PathBuf>,
     /// By default the contract is compiled with debug functionality
@@ -91,7 +91,7 @@ pub struct BuildCommand {
     verbosity: VerbosityFlags,
     #[structopt(flatten)]
     unstable_options: UnstableOptions,
-    /// Number of optimization passes, passed as an argument to wasm-opt.
+    /// Number of optimization passes, passed as an argument to `wasm-opt`.
     ///
     /// - `0`: execute no optimization passes
     ///
@@ -187,7 +187,7 @@ impl BuildCommand {
 #[derive(Debug, StructOpt)]
 #[structopt(name = "check")]
 pub struct CheckCommand {
-    /// Path to the Cargo.toml of the contract to build
+    /// Path to the `Cargo.toml` of the contract to build
     #[structopt(long, parse(from_os_str))]
     manifest_path: Option<PathBuf>,
     #[structopt(flatten)]
@@ -226,9 +226,9 @@ impl CheckCommand {
 /// to build the standard library with [`panic_immediate_abort`](https://github.com/johnthagen/min-sized-rust#remove-panic-string-formatting-with-panic_immediate_abort)
 /// which reduces the size of the Wasm binary by not including panic strings and formatting code.
 ///
-/// # Cargo.toml optimizations
+/// # `Cargo.toml` optimizations
 ///
-/// The original Cargo.toml will be amended to remove the `rlib` crate type in order to minimize
+/// The original `Cargo.toml` will be amended to remove the `rlib` crate type in order to minimize
 /// the final Wasm binary size.
 ///
 /// Preferred default `[profile.release]` settings will be added if they are missing, existing
@@ -304,7 +304,7 @@ fn exec_cargo_for_wasm_target(
     Ok(())
 }
 
-/// Ensures the wasm memory import of a given module has the maximum number of pages.
+/// Ensures the Wasm memory import of a given module has the maximum number of pages.
 ///
 /// Iterates over the import section, finds the memory import entry if any and adjusts the maximum
 /// limit.
@@ -363,7 +363,7 @@ fn strip_exports(module: &mut Module) {
     }
 }
 
-/// Load and parse a wasm file from disk.
+/// Load and parse a Wasm file from disk.
 fn load_module<P: AsRef<Path>>(path: P) -> Result<Module> {
     let path = path.as_ref();
     parity_wasm::deserialize_file(path).context(format!(
@@ -372,9 +372,9 @@ fn load_module<P: AsRef<Path>>(path: P) -> Result<Module> {
     ))
 }
 
-/// Performs required post-processing steps on the wasm artifact.
+/// Performs required post-processing steps on the Wasm artifact.
 fn post_process_wasm(crate_metadata: &CrateMetadata) -> Result<()> {
-    // Deserialize wasm module from a file.
+    // Deserialize Wasm module from a file.
     let mut module =
         load_module(&crate_metadata.original_wasm).context("Loading of original wasm failed")?;
 
@@ -393,9 +393,9 @@ fn post_process_wasm(crate_metadata: &CrateMetadata) -> Result<()> {
     Ok(())
 }
 
-/// Attempts to perform optional wasm optimization using `binaryen`.
+/// Attempts to perform optional Wasm optimization using `binaryen`.
 ///
-/// The intention is to reduce the size of bloated wasm binaries as a result of missing
+/// The intention is to reduce the size of bloated Wasm binaries as a result of missing
 /// optimizations (or bugs?) between Rust and Wasm.
 fn optimize_wasm(
     crate_metadata: &CrateMetadata,
@@ -439,7 +439,7 @@ fn optimize_wasm(
 /// The supplied `optimization_level` denotes the number of optimization passes,
 /// resulting in potentially a lot of time spent optimizing.
 ///
-/// If successful, the optimized wasm is written to `dest_optimized`.
+/// If successful, the optimized Wasm is written to `dest_optimized`.
 fn do_optimization(
     dest_wasm: &OsStr,
     dest_optimized: &OsStr,
@@ -510,7 +510,7 @@ fn do_optimization(
     Ok(())
 }
 
-/// Checks if the wasm-opt binary under `wasm_opt_path` returns a version
+/// Checks if the `wasm-opt` binary under `wasm_opt_path` returns a version
 /// compatible with `cargo-contract`.
 ///
 /// Currently this must be a version >= 99.
@@ -643,7 +643,7 @@ pub fn assert_debug_mode_supported(ink_version: &Version) -> anyhow::Result<()>
     Ok(())
 }
 
-/// Executes build of the smart-contract which produces a wasm binary that is ready for deploying.
+/// Executes build of the smart contract which produces a Wasm binary that is ready for deploying.
 ///
 /// It does so by invoking `cargo build` and then post processing the final binary.
 pub(crate) fn execute(args: ExecuteArgs) -> Result<BuildResult> {
diff --git a/src/cmd/extrinsics/call.rs b/src/cmd/extrinsics/call.rs
index a67b324177e8dbd17934e655a31214f4eb8a05cc..59291544f92d63f9e9b6222d02e98359477222a0 100644
--- a/src/cmd/extrinsics/call.rs
+++ b/src/cmd/extrinsics/call.rs
@@ -157,9 +157,9 @@ impl CallCommand {
     }
 }
 
-/// A struct that encodes RPC parameters required for a call to a smart-contract.
+/// A struct that encodes RPC parameters required for a call to a smart contract.
 ///
-/// Copied from pallet-contracts-rpc
+/// Copied from `pallet-contracts-rpc`.
 #[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct RpcCallRequest {
diff --git a/src/cmd/extrinsics/instantiate.rs b/src/cmd/extrinsics/instantiate.rs
index c2acdd76a78b7c5731efbdbe8fc77b59de95b347..6068919d04fe3af80d80fcc5a610a81c3ccc3f9b 100644
--- a/src/cmd/extrinsics/instantiate.rs
+++ b/src/cmd/extrinsics/instantiate.rs
@@ -37,7 +37,7 @@ type ContractInstantiateResult =
 
 #[derive(Debug, StructOpt)]
 pub struct InstantiateCommand {
-    /// Path to wasm contract code, defaults to `./target/ink/<name>.wasm`.
+    /// Path to Wasm contract code, defaults to `./target/ink/<name>.wasm`.
     /// Use to instantiate contracts which have not yet been uploaded.
     /// If the contract has already been uploaded use `--code-hash` instead.
     #[structopt(parse(from_os_str))]
@@ -302,7 +302,7 @@ impl<'a> Exec<'a> {
     }
 }
 
-/// A struct that encodes RPC parameters required to instantiate a new smart-contract.
+/// A struct that encodes RPC parameters required to instantiate a new smart contract.
 #[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
 struct InstantiateRequest {
@@ -315,13 +315,13 @@ struct InstantiateRequest {
     salt: Bytes,
 }
 
-/// Reference to an existing code hash or a new wasm module.
+/// Reference to an existing code hash or a new Wasm module.
 #[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
 enum Code {
-    /// A wasm module as raw bytes.
+    /// A Wasm module as raw bytes.
     Upload(Bytes),
-    /// The code hash of an on-chain wasm blob.
+    /// The code hash of an on-chain Wasm blob.
     Existing(<DefaultConfig as Config>::Hash),
 }
 
diff --git a/src/cmd/extrinsics/mod.rs b/src/cmd/extrinsics/mod.rs
index 77c49dfbfa52cb668d9dccfa0720d56f869ab34a..0d064b00d4704b23f7e9e9c287bad3b95b194a88 100644
--- a/src/cmd/extrinsics/mod.rs
+++ b/src/cmd/extrinsics/mod.rs
@@ -49,13 +49,13 @@ type PairSigner = subxt::PairSigner<DefaultConfig, SignedExtra, sp_core::sr25519
 type SignedExtra = subxt::DefaultExtra<DefaultConfig>;
 type RuntimeApi = runtime_api::api::RuntimeApi<DefaultConfig, SignedExtra>;
 
-/// Arguments required for creating and sending an extrinsic to a substrate node
+/// Arguments required for creating and sending an extrinsic to a substrate node.
 #[derive(Clone, Debug, StructOpt)]
 pub struct ExtrinsicOpts {
-    /// Path to the Cargo.toml of the contract
+    /// Path to the `Cargo.toml` of the contract.
     #[structopt(long, parse(from_os_str))]
     manifest_path: Option<PathBuf>,
-    /// Websockets url of a substrate node
+    /// Websockets url of a substrate node.
     #[structopt(
         name = "url",
         long,
@@ -66,7 +66,7 @@ pub struct ExtrinsicOpts {
     /// Secret key URI for the account deploying the contract.
     #[structopt(name = "suri", long, short)]
     suri: String,
-    /// Password for the secret key
+    /// Password for the secret key.
     #[structopt(name = "password", long, short)]
     password: Option<String>,
     #[structopt(flatten)]
diff --git a/src/cmd/extrinsics/upload.rs b/src/cmd/extrinsics/upload.rs
index b05bd7df92f37d503172054f4306facbc3632c55..2f374e74a3f210bbd93a9bdede9624c4b96f3eeb 100644
--- a/src/cmd/extrinsics/upload.rs
+++ b/src/cmd/extrinsics/upload.rs
@@ -33,7 +33,7 @@ type CodeUploadReturnValue = pallet_contracts_primitives::CodeUploadReturnValue<
 #[derive(Debug, StructOpt)]
 #[structopt(name = "upload", about = "Upload a contract's code")]
 pub struct UploadCommand {
-    /// Path to wasm contract code, defaults to `./target/ink/<name>.wasm`.
+    /// Path to Wasm contract code, defaults to `./target/ink/<name>.wasm`.
     #[structopt(parse(from_os_str))]
     wasm_path: Option<PathBuf>,
     #[structopt(flatten)]
diff --git a/src/cmd/metadata.rs b/src/cmd/metadata.rs
index 539077afbb05b3ce43ebe7d922bd7d0af2392507..19f183fde321cb005e18e924ab141fa8592fba0c 100644
--- a/src/cmd/metadata.rs
+++ b/src/cmd/metadata.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
@@ -53,7 +53,7 @@ struct ExtendedMetadataResult {
     user: Option<User>,
 }
 
-/// Generates a file with metadata describing the ABI of the smart-contract.
+/// Generates a file with metadata describing the ABI of the smart contract.
 ///
 /// It does so by generating and invoking a temporary workspace member.
 pub(crate) fn execute(
diff --git a/src/cmd/mod.rs b/src/cmd/mod.rs
index c40b2f11486f2f8882bcc646892c49c2c0ca4f8a..aadc8619e33ec812bfb0cbbdf033f90d0dd936dc 100644
--- a/src/cmd/mod.rs
+++ b/src/cmd/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
diff --git a/src/cmd/new.rs b/src/cmd/new.rs
index 75482bb058a986c1d5ef6860b0f13ccc4e2787b3..271f19ac1a81360607cbc30da6a79c2bd586e3d6 100644
--- a/src/cmd/new.rs
+++ b/src/cmd/new.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
diff --git a/src/cmd/test.rs b/src/cmd/test.rs
index 98b9dae139323e2ddd158987e0e30666a75f2072..a242bbabb058f9b29af20695c4979137eea7704b 100644
--- a/src/cmd/test.rs
+++ b/src/cmd/test.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
@@ -20,7 +20,7 @@ use colored::Colorize;
 use std::{convert::TryFrom, path::PathBuf};
 use structopt::StructOpt;
 
-/// Executes smart-contract tests off-chain by delegating to `cargo test`.
+/// Executes smart contract tests off-chain by delegating to `cargo test`.
 #[derive(Debug, StructOpt)]
 #[structopt(name = "test")]
 pub struct TestCommand {
diff --git a/src/crate_metadata.rs b/src/crate_metadata.rs
index 1b7a1ec243e87cbd5743acaf586e418d83658380..a4503449941f2f171b1aa5a49b4750b698c3aee5 100644
--- a/src/crate_metadata.rs
+++ b/src/crate_metadata.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
diff --git a/src/main.rs b/src/main.rs
index 774061d41e0c91af78cccd2df5f404039a006dfd..241a2eed5e9cb9c2177b956ad033cba63b377dcd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
@@ -339,7 +339,7 @@ pub struct BuildResult {
 /// Result of the optimization process.
 #[derive(serde::Serialize)]
 pub struct OptimizationResult {
-    /// The path of the optimized wasm file.
+    /// The path of the optimized Wasm file.
     pub dest_wasm: PathBuf,
     /// The original Wasm size.
     pub original_size: f64,
diff --git a/src/util.rs b/src/util.rs
index d373db1cd89f19601a426424ca1f7febbd7b3287..26dbbfcb1f6d5a5120a3dbc16e75809ceb0c7f9e 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
diff --git a/src/validate_wasm.rs b/src/validate_wasm.rs
index 2d0fe74d86ac9cfaa082b555263647c3ed95f890..250b31eb94ff358acf0a70ba8178274495f65ac7 100644
--- a/src/validate_wasm.rs
+++ b/src/validate_wasm.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
diff --git a/src/workspace/manifest.rs b/src/workspace/manifest.rs
index ad0f02ca9c90a9d6d6c6e3b4641cd119d04302c3..dc0bdd30477d58aaf964b84bc2f52f94d2654d52 100644
--- a/src/workspace/manifest.rs
+++ b/src/workspace/manifest.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
@@ -31,14 +31,14 @@ const MANIFEST_FILE: &str = "Cargo.toml";
 const LEGACY_METADATA_PACKAGE_PATH: &str = ".ink/abi_gen";
 const METADATA_PACKAGE_PATH: &str = ".ink/metadata_gen";
 
-/// Path to a Cargo.toml file
+/// Path to a `Cargo.toml` file
 #[derive(Clone, Debug)]
 pub struct ManifestPath {
     path: PathBuf,
 }
 
 impl ManifestPath {
-    /// Create a new ManifestPath, errors if not path to `Cargo.toml`
+    /// Create a new [`ManifestPath`], errors if not path to `Cargo.toml`
     pub fn new<P: AsRef<Path>>(path: P) -> Result<Self> {
         let manifest = path.as_ref();
         if let Some(file_name) = manifest.file_name() {
diff --git a/src/workspace/metadata.rs b/src/workspace/metadata.rs
index 76d356ecabb6bd92455c65328fd1ec023dd3e299..7d8715bcd882f93b08cf511a5c0dac01fd874637 100644
--- a/src/workspace/metadata.rs
+++ b/src/workspace/metadata.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
diff --git a/src/workspace/mod.rs b/src/workspace/mod.rs
index 733e8700ffa5bfd9d6a839dcf6cf1061d0a11450..5b9ccbcdae77df26ddc7b36193f4093fda9ef378 100644
--- a/src/workspace/mod.rs
+++ b/src/workspace/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
@@ -85,7 +85,7 @@ impl Workspace {
     /// # Note
     ///
     /// The root package is the current workspace package being built, not to be confused with
-    /// the workspace root (where the top level workspace Cargo.toml is defined).
+    /// the workspace root (where the top level workspace `Cargo.toml` is defined).
     pub fn with_root_package_manifest<F>(&mut self, f: F) -> Result<&mut Self>
     where
         F: FnOnce(&mut Manifest) -> Result<()>,
diff --git a/src/workspace/profile.rs b/src/workspace/profile.rs
index df40e526863ee2e7d9b5f295515a507a40265475..e38f5f22d44ee010472bbd761aef30288d0e96ff 100644
--- a/src/workspace/profile.rs
+++ b/src/workspace/profile.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
+// Copyright 2018-2022 Parity Technologies (UK) Ltd.
 // This file is part of cargo-contract.
 //
 // cargo-contract is free software: you can redistribute it and/or modify
diff --git a/templates/new/_Cargo.toml b/templates/new/_Cargo.toml
index df1c2da4a708c8195262f363c65abaddecb738fc..0b1a583b992d0fd5488e6db6d9803980eff93d17 100644
--- a/templates/new/_Cargo.toml
+++ b/templates/new/_Cargo.toml
@@ -3,7 +3,6 @@ name = "{{name}}"
 version = "0.1.0"
 authors = ["[your_name] <[your_email]>"]
 edition = "2021"
-rust-version = "1.56.1"
 
 [dependencies]
 ink_primitives = { version = "3.0.0-rc8", default-features = false }
diff --git a/templates/tools/generate-metadata/_Cargo.toml b/templates/tools/generate-metadata/_Cargo.toml
index 179262d070703b13f4e3ea81aa3c8f2f5be97195..5b8b7c841f198f463540d88a1de314ac983144af 100644
--- a/templates/tools/generate-metadata/_Cargo.toml
+++ b/templates/tools/generate-metadata/_Cargo.toml
@@ -3,7 +3,6 @@ name = "metadata-gen"
 version = "0.1.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
-rust-version = "1.56.1"
 publish = false
 
 [[bin]]