diff --git a/CHANGELOG.md b/CHANGELOG.md
index a118e55..ba7c6fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 > breaking changes may be introduced
 > at any time without warning.
 
-## [Unreleased]
+## [0.4.0] - 2024-10-23
 
 ### Changed