diff --git a/tox.ini b/tox.ini
index e4e1b246..8a6bdd51 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,7 +2,7 @@
 minversion = 3.7.0
 skip_missing_interpreters = true
 envlist =
-    py{27,37,38,py2.7,py3.8}
+    py{27,37,38,py2.7,py3.8,py3.9,py3.10,py3.11}
     flake8
     integration
     mypy