diff --git a/charts/index.yaml b/charts/index.yaml
index d7da4100..83f36f03 100644
--- a/charts/index.yaml
+++ b/charts/index.yaml
@@ -1,22 +1,22 @@
 apiVersion: v1
 entries:
   csi-driver-nfs:
-  - apiVersion: v1
-    appVersion: v2.0.0
-    created: "2020-11-13T16:06:53.1675609+05:30"
-    description: CSI NFS Driver for Kubernetes
-    digest: 0a2a89ad91485b277e53bdf41a58c07dbc0f8910cb63494411e46bf17c4a7196
-    name: csi-driver-nfs
-    urls:
-    - https://raw.githubusercontent.com/kubernetes-csi/csi-driver-nfs/master/charts/v2.0.0/csi-driver-nfs-v2.0.0.tgz
-    version: v2.0.0
   - apiVersion: v1
     appVersion: latest
-    created: "2020-11-13T16:06:53.1671254+05:30"
+    created: 2021-02-05T13:28:16.728034918Z
     description: CSI NFS Driver for Kubernetes
-    digest: 0e85c143ff5bc783089d2439e6b533949916657d50e9267d10b8add3dff027eb
+    digest: aa12e668649d4f9fc979389618992c1195847feff048dab0f2413ef02fbcc837
     name: csi-driver-nfs
     urls:
     - https://raw.githubusercontent.com/kubernetes-csi/csi-driver-nfs/master/charts/latest/csi-driver-nfs-v3.0.0.tgz
     version: v3.0.0
-generated: "2020-11-13T16:06:53.1665574+05:30"
+  - apiVersion: v1
+    appVersion: v2.0.0
+    created: 2021-02-05T13:28:16.728270519Z
+    description: CSI NFS Driver for Kubernetes
+    digest: f537a133eaa965f1c053ffac130f82c9b2b624e1f8bd42937c9c48818464eaac
+    name: csi-driver-nfs
+    urls:
+    - https://raw.githubusercontent.com/kubernetes-csi/csi-driver-nfs/master/charts/v2.0.0/csi-driver-nfs-v2.0.0.tgz
+    version: v2.0.0
+generated: 2021-02-05T13:28:16.727677516Z
diff --git a/hack/verify-all.sh b/hack/verify-all.sh
index b3b38e7e..b0d9582b 100755
--- a/hack/verify-all.sh
+++ b/hack/verify-all.sh
@@ -24,5 +24,6 @@ ${PKG_ROOT}/hack/verify-golint.sh
 ${PKG_ROOT}/hack/verify-yamllint.sh
 ${PKG_ROOT}/hack/verify-boilerplate.sh
 ${PKG_ROOT}/hack/verify-spelling.sh
+${PKG_ROOT}/hack/verify-helm-chart-files.sh
 ${PKG_ROOT}/hack/verify-helm-chart.sh
 ${PKG_ROOT}/hack/verify-gomod.sh
diff --git a/hack/verify-helm-chart-files.sh b/hack/verify-helm-chart-files.sh
new file mode 100755
index 00000000..f7705c8a
--- /dev/null
+++ b/hack/verify-helm-chart-files.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+# Copyright 2021 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -euo pipefail
+
+echo "begin to verify chart tgz files ..."
+
+# verify whether chart config has changed
+diff=`git diff`
+if [[ -n "${diff}" ]]; then
+  echo "${diff}"
+  exit 1
+fi
+
+for dir in charts/*
+do
+  if [ -d $dir ]; then
+    if [ -f $dir/*.tgz ]; then
+      echo "verify $dir ..."
+      tar -xvf $dir/*.tgz -C $dir/
+    fi
+  fi
+done
+
+diff=`git diff`
+if [[ -n "${diff}" ]]; then
+  echo
+  echo
+  echo "${diff}"
+  echo
+  echo "latest chart config has changed, pls run \"helm package charts/latest/csi-driver-nfs -d charts/latest/\" to update tgz file"
+  exit 1
+fi
+
+echo "chart tgz files verified."
diff --git a/hack/verify-helm-chart.sh b/hack/verify-helm-chart.sh
index 68f1cbc8..cf066834 100755
--- a/hack/verify-helm-chart.sh
+++ b/hack/verify-helm-chart.sh
@@ -78,30 +78,3 @@ validate_image "${expected_node_driver_registrar}" "${node_driver_registrar}"
 validate_image "${expected_nfs_image}" "${nfs_image}"
 
 echo "Images in deploy/ matches those in the latest helm chart."
-
-# verify whether chart config has changed
-diff=`git diff`
-if [[ -n "${diff}" ]]; then
-  echo "${diff}"
-  exit 1
-fi
-
-for dir in charts/*
-do
-  if [ -d $dir ]; then
-    if [ -f $dir/*.tgz ]; then
-      echo "verify $dir ..."
-      tar -xvf $dir/*.tgz -C $dir/
-    fi
-  fi
-done
-
-diff=`git diff`
-if [[ -n "${diff}" ]]; then
-  echo "${diff}"
-  echo
-  echo "latest chart config has changed, pls run \"helm package charts/latest/csi-driver-nfs -d charts/latest/\" to update tgz file"
-  exit 1
-fi
-
-echo "chart tgz files verified."