diff --git a/cli/cli.dockerfile b/cli/cli.dockerfile
index 6993876d50..76ec49d6ac 100644
--- a/cli/cli.dockerfile
+++ b/cli/cli.dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:xenial-20210416
 
 RUN apt-get update && apt-get install -y apt-transport-https