diff --git a/Dockerfile b/Dockerfile
index 8d8c0b8..2db44da 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:bionic
+FROM ubuntu:20.04
 
 ENV OS_LOCALE="en_US.UTF-8"
 RUN apt-get update && apt-get install -y locales && locale-gen ${OS_LOCALE}