diff --git a/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2 b/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2
index 466e4463bed..cbdca572759 100644
--- a/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2
+++ b/roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2
@@ -12,7 +12,7 @@ spec:
   strategy:
     type: RollingUpdate
     rollingUpdate:
-      maxUnavailable: 0
+      maxUnavailable: 1
       maxSurge: 10%
   selector:
     matchLabels: