diff --git a/deploy/gke/update-automation.yaml b/deploy/gke/update-automation.yaml
index a16dc7d228..ea0940ee69 100644
--- a/deploy/gke/update-automation.yaml
+++ b/deploy/gke/update-automation.yaml
@@ -21,4 +21,4 @@ spec:
         email: fluxcd@users.noreply.github.com
       messageTemplate: '[ci skip] {{range .Updated.Images}}{{println .}}{{end}}'
     push:
-      branch: auto
+      branch: master