diff --git a/tox.ini b/tox.ini
index 2e509991..0ed1879f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -56,7 +56,7 @@ commands = python setup.py test --coverage --testr-args='{posargs}'
            coverage report
 
 [testenv:docs]
-basepython = python2.7
+basepython = python3
 commands =
   python setup.py build_sphinx