diff --git a/tox.ini b/tox.ini
index b66af5d..552504e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,7 @@
 [tox]
-envlist = py37,py36,pep8
+minversion = 3.1.0
+envlist = py38,py36,pep8
+ignore_basepython_conflict=true
 
 [testenv]
 usedevelop = True