diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 8bb531f1b87b59d948eb757b265f20e147cf6ce6..c46b56833de4c977c01783954be788fd8d4de45f 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,3 +1,7 @@
+*   New autoloading based on [Zeitwerk](https://github.com/fxn/zeitwerk).
+
+    *Xavier Noria*
+
 *   Revise `ActiveSupport::Notifications.unsubscribe` to correctly handle Regex or other multiple-pattern subscribers.
 
     *Zach Kemp*