diff --git a/tf/modules/CHANGELOG.md b/tf/modules/CHANGELOG.md
index 63d9be0e2..a7d76e2e2 100644
--- a/tf/modules/CHANGELOG.md
+++ b/tf/modules/CHANGELOG.md
@@ -1,3 +1,6 @@
+# tf-module-monitoring-20
+- Add alert policy for critical PV usage (Logical SQL Backup)
+
 # tf-module-monitoring-19
 - Change prometheus-elasticsearch metric alerts to group by cluster