diff --git a/.cloudbuild.sh b/.cloudbuild.sh
deleted file mode 120000
index d9b2a9a3..00000000
--- a/.cloudbuild.sh
+++ /dev/null
@@ -1 +0,0 @@
-./release-tools/cloudbuild.sh
\ No newline at end of file
diff --git a/.cloudbuild.sh b/.cloudbuild.sh
new file mode 100755
index 00000000..32b544ed
--- /dev/null
+++ b/.cloudbuild.sh
@@ -0,0 +1,21 @@
+#! /bin/bash
+
+# Copyright 2020 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.
+
+
+: ${CSI_PROW_BUILD_PLATFORMS:="linux amd64; linux arm -arm; linux arm64 -arm64; linux ppc64le -ppc64le; linux s390x -s390x"}
+
+# shellcheck disable=SC1091
+. release-tools/cloudbuild.sh
diff --git a/charts/nfs-subdir-external-provisioner/Chart.yaml b/charts/nfs-subdir-external-provisioner/Chart.yaml
index c0376fe4..03cb3590 100644
--- a/charts/nfs-subdir-external-provisioner/Chart.yaml
+++ b/charts/nfs-subdir-external-provisioner/Chart.yaml
@@ -3,7 +3,7 @@ appVersion: 4.0.1
 description: nfs-subdir-external-provisioner is an automatic provisioner that used your *already configured* NFS server, automatically creating Persistent Volumes.
 name: nfs-subdir-external-provisioner
 home: https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner
-version: 4.0.5
+version: 4.0.6
 kubeVersion: ">=1.9.0-0"
 sources:
 - https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner