diff --git a/actix-web-codegen/CHANGES.md b/actix-web-codegen/CHANGES.md
index 984b23132..d30649c6a 100644
--- a/actix-web-codegen/CHANGES.md
+++ b/actix-web-codegen/CHANGES.md
@@ -3,6 +3,10 @@
 ## Unreleased - 2021-xx-xx
 
 
+## 4.0.0 - 2022-02-24
+- No significant changes since `0.5.0`.
+
+
 ## 0.5.0 - 2022-02-24
 - No significant changes since `0.5.0-rc.2`.
 
diff --git a/actix-web-codegen/Cargo.toml b/actix-web-codegen/Cargo.toml
index 2bc53b60d..0d8b86459 100644
--- a/actix-web-codegen/Cargo.toml
+++ b/actix-web-codegen/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "actix-web-codegen"
-version = "0.5.0"
+version = "4.0.0"
 description = "Routing and runtime macros for Actix Web"
 homepage = "https://actix.rs"
 repository = "https://github.com/actix/actix-web.git"
diff --git a/actix-web-codegen/README.md b/actix-web-codegen/README.md
index 131e8bbc4..439beadb4 100644
--- a/actix-web-codegen/README.md
+++ b/actix-web-codegen/README.md
@@ -3,11 +3,11 @@
 > Routing and runtime macros for Actix Web.
 
 [![crates.io](https://img.shields.io/crates/v/actix-web-codegen?label=latest)](https://crates.io/crates/actix-web-codegen)
-[![Documentation](https://docs.rs/actix-web-codegen/badge.svg?version=0.5.0)](https://docs.rs/actix-web-codegen/0.5.0)
+[![Documentation](https://docs.rs/actix-web-codegen/badge.svg?version=4.0.0)](https://docs.rs/actix-web-codegen/4.0.0)
 [![Version](https://img.shields.io/badge/rustc-1.54+-ab6000.svg)](https://blog.rust-lang.org/2021/05/06/Rust-1.54.0.html)
 ![License](https://img.shields.io/crates/l/actix-web-codegen.svg)
 <br />
-[![dependency status](https://deps.rs/crate/actix-web-codegen/0.5.0/status.svg)](https://deps.rs/crate/actix-web-codegen/0.5.0)
+[![dependency status](https://deps.rs/crate/actix-web-codegen/4.0.0/status.svg)](https://deps.rs/crate/actix-web-codegen/4.0.0)
 [![Download](https://img.shields.io/crates/d/actix-web-codegen.svg)](https://crates.io/crates/actix-web-codegen)
 [![Chat on Discord](https://img.shields.io/discord/771444961383153695?label=chat&logo=discord)](https://discord.gg/NWpN5mmg3x)
 
diff --git a/actix-web/Cargo.toml b/actix-web/Cargo.toml
index 3a6568310..43f69cf46 100644
--- a/actix-web/Cargo.toml
+++ b/actix-web/Cargo.toml
@@ -73,7 +73,7 @@ actix-tls = { version = "3", default-features = false, optional = true }
 
 actix-http = { version = "3.0.0", features = ["http2", "ws"] }
 actix-router = "0.5.0"
-actix-web-codegen = { version = "0.5.0", optional = true }
+actix-web-codegen = { version = "4.0.0", optional = true }
 
 ahash = "0.7"
 bytes = "1"