diff --git a/tox.ini b/tox.ini
index 6348ec33a..5734f3703 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,6 +6,7 @@ envlist =
     3.9
     3.10
     3.11
+    3.12
     pypy3
     bench
     lint