diff --git a/CHANGELOG.md b/CHANGELOG.md
index 760f4d3659ef..78f5cb04d363 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,10 @@ ENHANCEMENTS:
 * resource/aws_s3_bucket_object: Support `DEEP_ARCHIVE` in `storage_class` validation [GH-8109]
 * resource/aws_vpn_connection: Add `transit_gateway_attachment_id` attribute [GH-8070]
 
+BUG FIXES:
+
+* resource/aws_cloudwatch_metric_alarm: Prevent `ValidationError` when updating `metric_query` alarms [GH-8085]
+
 ## 2.3.0 (March 21, 2019)
 
 BREAKING CHANGES: