diff --git a/mungers/submit-queue.go b/mungers/submit-queue.go
index <HASH>..<HASH> 100644
--- a/mungers/submit-queue.go
+++ b/mungers/submit-queue.go
@@ -394,6 +394,7 @@ func (sq *SubmitQueue) AddFlags(cmd *cobra.Command, config *github.Config) {
 		"kubernetes-e2e-gce",
 		"kubernetes-e2e-gce-slow",
 		"kubernetes-e2e-gce-serial",
+		"kubernetes-e2e-gke-serial",
 		"kubernetes-e2e-gke",
 		"kubernetes-e2e-gke-slow",
 		"kubernetes-e2e-gce-scalability",
add gke-serial into the list