diff --git a/deploy/example/storageclass-nfs.yaml b/deploy/example/storageclass-nfs.yaml
index d3f7d748..9704c9dd 100644
--- a/deploy/example/storageclass-nfs.yaml
+++ b/deploy/example/storageclass-nfs.yaml
@@ -7,7 +7,7 @@ provisioner: nfs.csi.k8s.io
 parameters:
   server: nfs-server.default.svc.cluster.local
   share: /
-reclaimPolicy: Retain
+reclaimPolicy: Delete
 volumeBindingMode: Immediate
 mountOptions:
   - hard
diff --git a/test/external-e2e/run.sh b/test/external-e2e/run.sh
index c41c5840..fffe607f 100644
--- a/test/external-e2e/run.sh
+++ b/test/external-e2e/run.sh
@@ -24,8 +24,8 @@ install_ginkgo () {
 }
 
 setup_e2e_binaries() {
-    # download k8s external e2e binary for kubernetes v1.20
-    curl -sL https://storage.googleapis.com/kubernetes-release/release/v1.20.0/kubernetes-test-linux-amd64.tar.gz --output e2e-tests.tar.gz
+    # download k8s external e2e binary
+    curl -sL https://storage.googleapis.com/kubernetes-release/release/v1.21.0/kubernetes-test-linux-amd64.tar.gz --output e2e-tests.tar.gz
     tar -xvf e2e-tests.tar.gz && rm e2e-tests.tar.gz
 
     # install the csi driver nfs