diff --git a/common/.commonfiles.sha b/common/.commonfiles.sha
index 122ba6774d7..7620e144ad9 100644
--- a/common/.commonfiles.sha
+++ b/common/.commonfiles.sha
@@ -1 +1 @@
-0513cef0a5543933ff912ec39f17310606bfd652
+7cb13ce94ad9bff2d19d4bd3b8b95843e595f3d8
diff --git a/common/scripts/setup_env.sh b/common/scripts/setup_env.sh
index d3451a097aa..a5d32cdbbb4 100755
--- a/common/scripts/setup_env.sh
+++ b/common/scripts/setup_env.sh
@@ -75,7 +75,7 @@ fi
 TOOLS_REGISTRY_PROVIDER=${TOOLS_REGISTRY_PROVIDER:-gcr.io}
 PROJECT_ID=${PROJECT_ID:-istio-testing}
 if [[ "${IMAGE_VERSION:-}" == "" ]]; then
-  IMAGE_VERSION=master-ff93080f0b66b1649fd6f3bfa6b63f74be377937
+  IMAGE_VERSION=release-1.20-c29f172e9f11e5cd9e5d2e9ef1882f4abafaecb5
 fi
 if [[ "${IMAGE_NAME:-}" == "" ]]; then
   IMAGE_NAME=build-tools