diff --git a/environment/Dockerfile b/environment/Dockerfile
index ffeda66..d09bf29 100644
--- a/environment/Dockerfile
+++ b/environment/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:bionic
+FROM ubuntu:focal
 
 LABEL tailor="environment"
 
diff --git a/setup.cfg b/setup.cfg
index cb6c275..fc2fcf8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,7 +13,7 @@ description = Configure test and PR jobs for a ROS distro.
 long_description = file: README.md
 
 [options]
-python_requires = >=3.6
+python_requires = >=3.8
 install_requires =
     Click ==8.1.3
     Jinja2 ==3.1.2