diff --git a/tox.ini b/tox.ini
index a3940a5..a3386b8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,12 +8,13 @@ setenv =
     DJANGO_SETTINGS_MODULE = tests.settings
 
 [testenv:docs]
-changedir = docs
+basepython = python2.7
 deps =
     Sphinx
+    Django==1.3.1
 commands =
-    make clean
-    make html
+    rm -rf docs/_build
+    {envbindir}/sphinx-build -b html -d docs/_build/doctrees docs docs/_build/html
 
 [testenv:py25-1.2.X]
 basepython = python2.5