diff --git a/tox.ini b/tox.ini
index 9b02d89ee0..cd38c2ddb3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-minversion = 3.1.0
+minversion = 3.2.0
 skipsdist = True
 envlist = validate,py27,py37,pep8,pip-install
 ignore_basepython_conflict=true