diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a4a996b6..1fd1f4aff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ IMPROVEMENTS:
  * provider/clc: Add support for hyperscale and bareMetal server types and package installation
  * providers/google: support optional uuid naming for Instance Template [GH-6604]
  * provider/aws: Add support for `kms_key_id` to `aws_db_instance` [GH-6651]
+ * provider/openstack: Add support for client certificate authentication [GH-6279]
  
 BUG FIXES: