diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ba6ea12..f67df479 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Retour Changelog
 
-## 4.0.21 - UNRELEASED
+## 4.0.21 - 2025.01.08
 ### Changed
 * Fixed an issue where a GraphQL Retour query could return a URL with a `/` prefixed to it if the destination was a full URL ([#320](https://github.com/nystudio107/craft-retour/issues/320))