diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ec90c52fc4..e9c04a7d521 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ ENHANCEMENTS:
 BUG FIXES:
 
 * provider: Allows `assume_role.role_arn` to be an empty string when there is a single `assume_role` entry. ([#39328](https://github.com/hashicorp/terraform-provider-aws/issues/39328))
+* resource/aws_amplify_app: Fix failure when unsetting the `environment_variables` argument ([#39397](https://github.com/hashicorp/terraform-provider-aws/issues/39397))
 * resource/aws_dynamodb_table: Fix changing replicas to the default `Managed by DynamoDB` encryption setting ([#31284](https://github.com/hashicorp/terraform-provider-aws/issues/31284))
 * resource/aws_dynamodb_table: Handle eventual consistency of tag creation and removal ([#39326](https://github.com/hashicorp/terraform-provider-aws/issues/39326))
 * resource/aws_dynamodb_table_replica: Handle eventual consistency of tag creation and removal ([#39326](https://github.com/hashicorp/terraform-provider-aws/issues/39326))