diff --git a/app_clients/mongo-client/Dockerfile b/app_clients/mongo-client/Dockerfile
index 608bea06..3da534f5 100644
--- a/app_clients/mongo-client/Dockerfile
+++ b/app_clients/mongo-client/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:xenial-20210114
 
 RUN apt-get update && apt-get -y --force-yes install \
     python \