diff --git a/staging/src/github.com/clusterpedia-io/api/cluster/v1alpha2/types.go b/staging/src/github.com/clusterpedia-io/api/cluster/v1alpha2/types.go
index 2a43a03ba..6574419cf 100644
--- a/staging/src/github.com/clusterpedia-io/api/cluster/v1alpha2/types.go
+++ b/staging/src/github.com/clusterpedia-io/api/cluster/v1alpha2/types.go
@@ -110,8 +110,7 @@ type ClusterStatus struct {
 	// +optional
 	APIServer string `json:"apiserver,omitempty"`
 
-	// +required
-	// +kubebuilder:validation:Required
+	// +optional
 	Version string `json:"version,omitempty"`
 
 	// +optional