diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7cd4a87..4b37e26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0] - 2023-11-28
+
 ### Added
 
 - Support for PHP 8.3 ([#26](https://github.com/khalyomede/reorder-before-after/issues/26)).
diff --git a/composer.json b/composer.json
index bf751a0..7090200 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Reorder an item in an array before or after another.",
     "type": "library",
     "license": "MIT",
-    "version": "0.3.0",
+    "version": "0.4.0",
     "keywords": [
         "reorder",
         "sort",
@@ -49,4 +49,4 @@
     "require": {
         "php": ">=8.1.0"
     }
-}
+}
\ No newline at end of file