diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 5ecff456b..be42d7dc5 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -1,3 +1,10 @@
+========================================================================
+Amazon CloudWatch Agent Operator v2.2.0 (2025-03-07)
+========================================================================
+Enhancements:
+* Grant CloudWatchAgent ClusterRole permissions to invoke EndpointSlices API
+* Go.mod dependency upgrades
+
 ========================================================================
 Amazon CloudWatch Agent Operator v2.1.0 (2025-01-23)
 ========================================================================