diff --git a/tox.ini b/tox.ini
index 92939c2..b37e0aa 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,10 +13,10 @@ isolated_build = True
 
 [gh-actions]
 python =
-    3.9: py39
-    3.10: py310
-    3.11: py311
-    3.12: py312
+    3.9: py39-extra
+    3.10: py310-extra
+    3.11: py311-extra
+    3.12: py312-extra
 
 [testenv]
 commands = pytest -v --doctest-modules --ignore benchmark.py {posargs}