diff --git a/zookeeper/docker/Dockerfile b/zookeeper/docker/Dockerfile
index fe923a3..cced3b8 100644
--- a/zookeeper/docker/Dockerfile
+++ b/zookeeper/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04 
+FROM ubuntu:xenial-20210416 
 
 ARG ARCH=amd64