diff --git a/config/common/group_vars/k8s_cluster/ck8s-k8s-cluster.yaml b/config/common/group_vars/k8s_cluster/ck8s-k8s-cluster.yaml
index c19c4e2b..70ba7fbf 100644
--- a/config/common/group_vars/k8s_cluster/ck8s-k8s-cluster.yaml
+++ b/config/common/group_vars/k8s_cluster/ck8s-k8s-cluster.yaml
@@ -55,6 +55,7 @@ calico_ipip_mode: 'Always'
 calico_vxlan_mode: 'Never'
 calico_network_backend: 'bird'
 
+dns_extra_tolerations: [{effect: NoSchedule, operator: "Exists"}]
 coredns_additional_error_config: |
   consolidate 5m ".* i/o timeout$" warning