install k8s from package
diff --git a/metadata/service/master/cluster.yml b/metadata/service/master/cluster.yml
index c528ed3..2d118ff 100644
--- a/metadata/service/master/cluster.yml
+++ b/metadata/service/master/cluster.yml
@@ -17,7 +17,7 @@
   kubernetes:
     master:
       enabled: true
-      version: v1.2.0
+      version: ${_param:kubernetes_version}
       registry: tcpcloud
       service_addresses: 10.254.0.0/16
       admin: