diff --git a/tox.ini b/tox.ini
index efdaacc..d7be02f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = pep8,py36,py38,bashate,pip-check-reqs
+envlist = pep8,py36,py39,bashate,pip-check-reqs
 minversion = 3.18.0
 skipsdist = True
 ignore_basepython_conflict = True