diff --git a/tox.ini b/tox.ini
index 0c60cd64d..73f4fd4a7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -493,7 +493,7 @@ commands =
   sphinx-build -E -a -W -b html -T . _build/html
 
 [testenv:spellcheck]
-basepython: python3.10
+basepython: python3.9
 recreate = True
 deps =
   codespell