diff --git a/deploy/modules/aliyun/tidb-operator/main.tf b/deploy/modules/aliyun/tidb-operator/main.tf
index 0bc36fb3bb..69e1ff83ef 100644
--- a/deploy/modules/aliyun/tidb-operator/main.tf
+++ b/deploy/modules/aliyun/tidb-operator/main.tf
@@ -50,6 +50,9 @@ resource "alicloud_security_group_rule" "cluster_worker_ingress" {
 # Create a managed Kubernetes cluster
 resource "alicloud_cs_managed_kubernetes" "k8s" {
   name = var.cluster_name
+  // 'version' is a reserved parameter and it just is used to test. No Recommendation to expose it.
+  // https://github.com/terraform-providers/terraform-provider-alicloud/blob/master/alicloud/resource_alicloud_cs_kubernetes.go#L396-L401
+  version = var.k8s_version
 
   // split and join: workaround for terraform's limitation of conditional list choice, similarly hereinafter
   vswitch_ids = [
diff --git a/deploy/modules/aliyun/tidb-operator/variables.tf b/deploy/modules/aliyun/tidb-operator/variables.tf
index 4d659c3435..92a1532ef8 100644
--- a/deploy/modules/aliyun/tidb-operator/variables.tf
+++ b/deploy/modules/aliyun/tidb-operator/variables.tf
@@ -15,6 +15,12 @@ variable "cluster_name" {
   default     = "my-cluster"
 }
 
+variable "k8s_version" {
+  description = "Kubernetes cluster version"
+  default     = "1.14.8-aliyun.1"
+  type        = string
+}
+
 variable "cluster_network_type" {
   description = "Kubernetes network plugin, options: [flannel, terway]. Cannot change once created."
   default     = "flannel"