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diff --git a/actioncable/CHANGELOG.md b/actioncable/CHANGELOG.md
index 2e6c2f2afc..137c88d91b 100644
--- a/actioncable/CHANGELOG.md
+++ b/actioncable/CHANGELOG.md
@@ -1,3 +1,11 @@
+*   Prevent race where the client could receive and act upon a
+    subscription confirmation before the channel's `subscribed` method
+    completed.
+
+    Fixes #25381.
+
+    *Vladimir Dementyev*
+
 *   Buffer writes to websocket connections, to avoid blocking threads
     that could be doing more useful things.