diff --git a/tox.ini b/tox.ini
index 5f3a77c48df6405ee89e60dc609701836610d7bf..e7ea727d3587874f802cde54e8060af65c24a470 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py36
+envlist = py311
 
 [flake8]
 exclude = venv,.tox,build