diff --git a/tox.ini b/tox.ini
index da3f8cdc..dbd0cbff 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-minversion = 3.1
+minversion = 3.2.0
 distribute = False
 envlist = py37,pep8
 ignore_basepython_conflict = true