diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7286762743..1ead3d1f78b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ FEATURES:
 
 ENHANCEMENTS:
 
+* resource/aws_ecs_task_definition: Add `versionConsistency` argument to `container_definitions` ([#40216](https://github.com/hashicorp/terraform-provider-aws/issues/40216))
 * resource/aws_rds_global_cluster: Add `endpoint` argument to point to the writer DB instance in the current primary cluster ([#39960](https://github.com/hashicorp/terraform-provider-aws/issues/39960))
 
 BUG FIXES: