diff --git a/tox.ini b/tox.ini
index 530e5b941..9c0f2d2f3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,6 @@
 [tox]
 envlist=flake8,py27,py34,py35,py36,pypy,du13,du12,du11
+skipsdist = True
 
 [testenv]
 deps=