diff --git a/CHANGELOG.md b/CHANGELOG.md
index b5235d8..4028646 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,12 @@
 # Changelog
 
-## Unreleased
+## 2023-12-16
 
 ### Added
 
+* Add CHANGELOG.md.
+
+### Changed
+
 * Update PHP to 8.2.
 * Update Drupal to 10.2.0.
-* Add CHANGELOG.md.