diff --git a/tox.ini b/tox.ini
index e57d626a..2e3f1ea7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist = pep8,pylint,py35,py36,py37,py38
-minversion = 3.1.1
+minversion = 3.2.1
 skipsdist = True
 ignore_basepython_conflict = True