diff --git a/tensorflow/tools/ci_build/Dockerfile.pi-python37 b/tensorflow/tools/ci_build/Dockerfile.pi-python37
index 6a28753842c0d7..8e3a8b17a46caf 100644
--- a/tensorflow/tools/ci_build/Dockerfile.pi-python37
+++ b/tensorflow/tools/ci_build/Dockerfile.pi-python37
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:xenial-20210416
 
 LABEL maintainer="Terry Heo <terryheo@google.com>"