diff --git a/docker/test/ubuntu-16.04-latest/Dockerfile b/docker/test/ubuntu-16.04-latest/Dockerfile
index 3eb490e8e..f36774728 100644
--- a/docker/test/ubuntu-16.04-latest/Dockerfile
+++ b/docker/test/ubuntu-16.04-latest/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:xenial-20210416
 RUN sed -i -e 's/http:\/\/archive/mirror:\/\/mirrors/' -e 's/\/ubuntu\//\/mirrors.txt/' /etc/apt/sources.list
 RUN sed -i -e 's/http:\/\/security/mirror:\/\/mirrors/' -e 's/\/ubuntu\//\/mirrors.txt/' /etc/apt/sources.list
 RUN apt update && DEBIAN_FRONTEND=noninteractive TZ=Etc/UTC apt upgrade -qqy && apt install -qqy dos2unix ca-certificates curl software-properties-common lsb-core sudo vim systemd gawk git wget