diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
index f4db083c0afa..815d0523274a 100644
--- a/RELEASE-NOTES.txt
+++ b/RELEASE-NOTES.txt
@@ -1,3 +1,7 @@
+22.9
+-----
+* [**] [internal] Fix multiple memory leaks after logging in and logging out. [#21047]
+
 22.8
 -----
 * [*] Blogging Reminders: Disabled prompt for self-hosted sites not connected to Jetpack. [#20970]