diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3f166f..2c16ae5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 0.4.0 - 2026-05-02
 
 ### Added