diff --git a/k8s/c1/kubeadm.yaml b/k8s/c1/kubeadm.yaml
index 7bf53ae..38deaaf 100644
--- a/k8s/c1/kubeadm.yaml
+++ b/k8s/c1/kubeadm.yaml
@@ -4,8 +4,8 @@ apiVersion: kubeadm.k8s.io/v1beta2
 kubernetesVersion: v1.21.2
 networking:
   dnsDomain: c1.k8s.ooo
-  podSubnet: 2a0a:e5c0:2:11::/64
-  serviceSubnet: 2a0a:e5c0:2:11:1::/108
+  podSubnet: 2a0a:e5c0:2:e::/64
+  serviceSubnet: 2a0a:e5c0:2:f::/108
 ---
 kind: KubeletConfiguration
 apiVersion: kubelet.config.k8s.io/v1beta1