diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2d9bde6f4ed..b2e8cbf1f96 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ ENHANCEMENTS:
 * resource/aws_autoscaling_lifecycle_hook: Support resource import [GH-9336]
 * resource/aws_emr_cluster: Add `master_instance_group` configuration block `instance_count` argument (support multiple master nodes) [GH-9235]
 * resource/aws_media_store_container: Add `tags` argument [GH-9379]
+* resource/aws_rds_cluster: Support `scaling_configuration` configuration block `timeout_action` argument [GH-9374]
 * resource/aws_ssm_maintenance_window_task: Support resource import and in-place updates [GH-7823]
 * resource/aws_ssm_maintenance_window_task: Add `task_invocation_parameters` configuration block and deprecate `logging_info` and `task_parameters` configuration blockss to match API [GH-7823]