diff --git a/tox.ini b/tox.ini
index c68e2919d0be8..c63fa947df6f4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,7 +18,7 @@
 # Remember to start celery workers to run celery tests, e.g.
 # celery --app=superset.tasks.celery_app:app worker -Ofair -c 2
 [testenv]
-basepython = python3.10
+basepython = python3.9
 ignore_basepython_conflict = true
 commands =
     superset db upgrade