1 files changed, 1 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 03c4c074..6dfe1c72 100644
--- a/tox.ini
+++ b/tox.ini
@@ -37,6 +37,7 @@ commands =
 
 [testenv:docs]
 extras =
+    docs
     docstest
 basepython = python2.7
 commands =