diff --git a/Dockerfile b/Dockerfile
index 574fcc44ffd72aeab58f0c3feb8f9ae79662f42e..53b668fc693d07fe950b686b891f1aed24918a35 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # reference: https://hub.docker.com/_/ubuntu/
-FROM ubuntu:focal-20210325
+FROM ubuntu:focal-latest
 
 ARG DEBIAN_FRONTEND=noninteractive