diff --git a/docs/gpu-k8s-role.md b/docs/gpu-k8s-role.md
index 6ae3ea5..4dd7299 100644
--- a/docs/gpu-k8s-role.md
+++ b/docs/gpu-k8s-role.md
@@ -12,7 +12,9 @@ The role performs four main tasks:
 4. **Verify GPU access** by deploying the official NVIDIA device plugin and running a small CUDA workload.
 
 When `sealos_version` is set to `latest` (the default), the role automatically
-fetches the most recent stable release from GitHub.
+fetches the most recent stable release from GitHub. The Kubernetes image tag is
+controlled separately via `kubernetes_version`, which defaults to `v1.25.16` but
+can be overridden to any compatible release.
 
 
 The following command is used to create the cluster (example with one master and one worker):
@@ -20,7 +22,7 @@ The following command is used to create the cluster (example with one master and
 ```bash
 REGISTRY=$(scripts/get_labring_registry.sh)
 sealos run \
-  ${REGISTRY}/kubernetes:<latest> \
+  ${REGISTRY}/kubernetes:<kubernetes_version> \
   ${REGISTRY}/cilium:<cilium_version> \
   ${REGISTRY}/helm:<helm_version> \
   --masters 172.16.11.120 \
diff --git a/playbooks/roles/vhosts/gpu-k8s/defaults/main.yml b/playbooks/roles/vhosts/gpu-k8s/defaults/main.yml
index 1a45798..dbd9fc2 100644
--- a/playbooks/roles/vhosts/gpu-k8s/defaults/main.yml
+++ b/playbooks/roles/vhosts/gpu-k8s/defaults/main.yml
@@ -1,5 +1,6 @@
 # Default variables for gpu-k8s role
 sealos_version: latest
+kubernetes_version: v1.25.16
 cilium_version: v1.13.4
 helm_version: v3.9.4
 master_ips: []  # List of up to three master node IPs
diff --git a/playbooks/roles/vhosts/gpu-k8s/tasks/install_cluster.yml b/playbooks/roles/vhosts/gpu-k8s/tasks/install_cluster.yml
index ce39e83..21638bd 100644
--- a/playbooks/roles/vhosts/gpu-k8s/tasks/install_cluster.yml
+++ b/playbooks/roles/vhosts/gpu-k8s/tasks/install_cluster.yml
@@ -48,7 +48,7 @@
 - name: Run sealos to create Kubernetes cluster
   shell: |
     sealos run \
-      {{ labring_registry.stdout }}/kubernetes:{{ sealos_version }} \
+      {{ labring_registry.stdout }}/kubernetes:{{ kubernetes_version }} \
       {{ labring_registry.stdout }}/cilium:{{ cilium_version }} \
       {{ labring_registry.stdout }}/helm:{{ helm_version }} \
       --masters {{ master_ips | join(',') }} \