diff --git a/Dockerfile b/Dockerfile
index fa5c82384ce8f17662c225b148d7b51312c18676..40dac07748acbf46c3f6c46033f600ec55fde5f0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bullseye-slim
+FROM ubuntu:18.04
 
 ENV LANG=C.UTF-8
 ENV DEBIAN_FRONTEND=noninteractive