diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index d1f38ef..37a3189 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -1,3 +1,15 @@
+=======================================================================
+amazon-cloudwatch-observability v1.5.4 (2024-04-23)
+========================================================================
+Enhancements:
+* Upgrade python sdk to v0.1.1 (#22)
+
+=======================================================================
+amazon-cloudwatch-observability v1.5.3 (2024-04-19)
+========================================================================
+Enhancements:
+* Do not create fluent bit resources if containerLogs is disabled (#23)
+
 =======================================================================
 amazon-cloudwatch-observability v1.5.2 (2024-04-16)
 ========================================================================