diff --git a/apps/prod/tekton/configs/triggers/triggers/pingcap/ng-monitoring/git-push-experiment.yaml b/apps/prod/tekton/configs/triggers/triggers/pingcap/ng-monitoring/git-push-experiment.yaml
index b35e01eb1..8586b2b9a 100644
--- a/apps/prod/tekton/configs/triggers/triggers/pingcap/ng-monitoring/git-push-experiment.yaml
+++ b/apps/prod/tekton/configs/triggers/triggers/pingcap/ng-monitoring/git-push-experiment.yaml
@@ -16,7 +16,7 @@ spec:
           value: >-
             body.repository.full_name == 'pingcap/ng-monitoring'
             &&
-            body.ref.matches('^refs/heads/(master|release-8[.]4)$')
+            body.ref.matches('^refs/heads/(main|master|release-8[.]4)$')
 
   bindings:
     - ref: github-branch-push