diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0ef337..df9516c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Unreleased (0.4.0)
+# 0.4.0 (2026-06-11)
 
 **Declared change — Apple platforms only:**