diff --git a/ansible/kubernetes/roles/k8s_node/defaults/main.yml b/ansible/kubernetes/roles/k8s_node/defaults/main.yml
index da97458..828a114 100644
--- a/ansible/kubernetes/roles/k8s_node/defaults/main.yml
+++ b/ansible/kubernetes/roles/k8s_node/defaults/main.yml
@@ -14,7 +14,7 @@ k8s_prerequisite_packages:
   - curl
   - gnupg
 
-k8s_firewall_admin_subnet: "192.168.66.0/24"
+k8s_firewall_admin_subnet: "192.168.88.0/24"
 k8s_firewall_ssh_port: "22"
 k8s_firewall_common_ports:
   - "6443"