diff --git a/tox.ini b/tox.ini
index f35a87f..f14447f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,6 +4,7 @@ envlist =
     py38,
     py39,
     py310,
+    py311,
     pypy,
 
 [testenv]