diff --git a/addons/flink-kubernetes-operator/metadata.yaml b/addons/flink-kubernetes-operator/metadata.yaml
index 41f495a2..37a0f35c 100644
--- a/addons/flink-kubernetes-operator/metadata.yaml
+++ b/addons/flink-kubernetes-operator/metadata.yaml
@@ -1,5 +1,5 @@
 name: flink-kubernetes-operator
-version: 1.3.2
+version: 1.4.0
 description: A Kubernetes operator for Apache Flink
 icon: https://flink.apache.org/img/logo/png/500/flink_squirrel_500.png
 url: https://github.com/apache/flink-kubernetes-operator
diff --git a/addons/flink-kubernetes-operator/parameter.cue b/addons/flink-kubernetes-operator/parameter.cue
index 2c2e8c53..9ccce7b4 100644
--- a/addons/flink-kubernetes-operator/parameter.cue
+++ b/addons/flink-kubernetes-operator/parameter.cue
@@ -1,16 +1,18 @@
 parameter: {
-        //+usage=Deploy to specified clusters. Leave empty to deploy to all clusters.
-        clusters?: [...string]
-        //+usage=Namespace to deploy to, defaults to flink-operator
-        namespace: *"flink-operator" | string
-        // +usage=Specify if create  the webhook or not
-        "createWebhook": *false | bool
-        // +usage=Specify the image repository
-        "imageRepository": *"apache/flink-kubernetes-operator" | string
-        // +usage=Specify the image tag
-        "imageTag": *"latest" | string
-        // +usage=Specify if create the sa for job or not
-        "createJobServiceAccount": *false|bool
-        //+usage=Specify if upgrade the CRDs when upgrading flink-kubernetes-operator or not
+	//+usage=Deploy to specified clusters. Leave empty to deploy to all clusters.
+	clusters?: [...string]
+	//+usage=Namespace to deploy to, defaults to flink-operator
+	namespace: *"flink-operator" | string
+	// +usage=Specify if create  the webhook or not
+	"createWebhook": *false | bool
+	// +usage=Specify the image repository
+	"imageRepository": *"apache/flink-kubernetes-operator" | string
+	// +usage=Specify the image tag
+	"imageTag": *"latest" | string
+	// +usage=Specify if create the sa for job or not
+	"createJobServiceAccount": *false | bool
+	//+usage=Specify if upgrade the CRDs when upgrading flink-kubernetes-operator or not
 	upgradeCRD: *false | bool
+	//+usage=Specify the flink operator version, defaults to 1.9.0
+	flinkOperatorVersion: *"1.9.0" | string
 }
diff --git a/addons/flink-kubernetes-operator/template.cue b/addons/flink-kubernetes-operator/template.cue
index c0f75ba5..aa9294ce 100644
--- a/addons/flink-kubernetes-operator/template.cue
+++ b/addons/flink-kubernetes-operator/template.cue
@@ -20,10 +20,10 @@ output: {
 				dependsOn: ["flink-operator-ns"]
 				properties: {
 					repoType:        "helm"
-					url:             "https://downloads.apache.org/flink/flink-kubernetes-operator-1.3.1/"
+					url:             "https://downloads.apache.org/flink/flink-kubernetes-operator-" + parameter["flinkOperatorVersion"] + "/"
 					chart:           "flink-kubernetes-operator"
 					targetNamespace: parameter["namespace"]
-					version:         "1.3.1"
+					version:         parameter["flinkOperatorVersion"]
 					upgradeCRD:      parameter.upgradeCRD
 					values: {
 						webhook: {