diff --git a/docker_builder/Dockerfile b/docker_builder/Dockerfile
index 9ca17ef..bd9fb7c 100644
--- a/docker_builder/Dockerfile
+++ b/docker_builder/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:focal
+FROM ubuntu:hirsute
 
 # for tzdata
 ENV DEBIAN_FRONTEND=noninteractive