diff --git a/Dockerfile b/Dockerfile
index c419415..e4c88dc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASEIMAGE=ubuntu:16.04
+ARG BASEIMAGE=ubuntu:xenial-20210416
 FROM ${BASEIMAGE}
 
 ARG BUILD_DATE