diff --git a/cmd/kubeadm/app/phases/addons/dns/manifests.go b/cmd/kubeadm/app/phases/addons/dns/manifests.go
index ca64d21c12..e149c2168f 100644
--- a/cmd/kubeadm/app/phases/addons/dns/manifests.go
+++ b/cmd/kubeadm/app/phases/addons/dns/manifests.go
@@ -43,6 +43,7 @@ spec:
       labels:
         k8s-app: kube-dns
     spec:
+      priorityClassName: system-cluster-critical
       volumes:
       - name: kube-dns-config
         configMap: