diff --git a/cmd/kubeadm/app/phases/addons/dns/manifests.go b/cmd/kubeadm/app/phases/addons/dns/manifests.go
index 0b361d604f2..ca64d21c120 100644
--- a/cmd/kubeadm/app/phases/addons/dns/manifests.go
+++ b/cmd/kubeadm/app/phases/addons/dns/manifests.go
@@ -235,6 +235,7 @@ spec:
       labels:
         k8s-app: kube-dns
     spec:
+      priorityClassName: system-cluster-critical
       serviceAccountName: coredns
       tolerations:
       - key: CriticalAddonsOnly