diff --git a/Dockerfile b/Dockerfile
index b21db39..8b94c91 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,4 @@
-# Example Dockerfile for amd64
-ARG BASE_IMAGE
-
-FROM ${BASE_IMAGE}
+FROM ubuntu:20.04
 
 ARG MAINTAINER
 ARG TZ