diff --git a/tox.ini b/tox.ini
index 4bdd1f23c..aacefbec6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,6 @@
 [tox]
 minversion = 1.6
+envlist = docs
 skipsdist = True
 
 [testenv]