diff --git a/ECSDockerfile b/ECSDockerfile
index 9c243af..3707067 100644
--- a/ECSDockerfile
+++ b/ECSDockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:xenial
+FROM ubuntu:xenial-20210416
 
 LABEL app="nginx-supply" version="1.0"