diff --git a/tox.ini b/tox.ini
index 48461ed73..b4913b6d9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-minversion = 2.3.2
+minversion = 3.2.0
 envlist = py37,pep8
 skipsdist = True
 ignore_basepython_conflict = True