diff --git a/cmd/kube-apiserver/app/aggregator.go b/cmd/kube-apiserver/app/aggregator.go
index c6412c52f97..68375487f00 100644
--- a/cmd/kube-apiserver/app/aggregator.go
+++ b/cmd/kube-apiserver/app/aggregator.go
@@ -225,6 +225,7 @@ var apiVersionPriorities = map[schema.GroupVersion]priority{
 	{Group: "storage.k8s.io", Version: "v1beta1"}:                {group: 16800, version: 9},
 	{Group: "apiextensions.k8s.io", Version: "v1beta1"}:          {group: 16700, version: 9},
 	{Group: "admissionregistration.k8s.io", Version: "v1alpha1"}: {group: 16700, version: 9},
+	{Group: "scheduling.k8s.io", Version: "v1alpha1"}:            {group: 16600, version: 9},
 }
 
 func apiServicesToRegister(delegateAPIServer genericapiserver.DelegationTarget, registration autoregister.AutoAPIServiceRegistration) []*apiregistration.APIService {