diff --git a/docs/quickstart.md b/docs/quickstart.md
index 2359689a..d30ebbc3 100644
--- a/docs/quickstart.md
+++ b/docs/quickstart.md
@@ -5,7 +5,7 @@ To quickly get started using ModelMesh Serving, here is a brief guide.
 ## Prerequisites
 
 - A Kubernetes cluster v 1.16+ with cluster administrative privileges
-- [kubectl](https://kubernetes.io/docs/tasks/tools/#kubectl) and [kustomize](https://kubectl.docs.kubernetes.io/installation/kustomize/) (v3.2.0+)
+- [kubectl](https://kubernetes.io/docs/tasks/tools/#kubectl) and [kustomize](https://kubectl.docs.kubernetes.io/installation/kustomize/) (v4.0.0+)
 - At least 4 vCPU and 8 GB memory. For more details, please see [here](install/README.md#deployed-components).
 
 ## 1. Install ModelMesh Serving