diff --git a/de/heat-templates/top.yaml b/de/heat-templates/top.yaml
index b6a3e19..d167980 100644
--- a/de/heat-templates/top.yaml
+++ b/de/heat-templates/top.yaml
@@ -271,7 +271,7 @@
     default: {}
   tsrv_metadata:
     type: json
-    default: {"labels": {"tempest": "enabled"}}
+    default: {"labels": {"tempest": "enabled", "stepler": "enabled"}}
   ucp_flavor:
     type: string
     default: 'mosk.s.ucp'