diff --git a/tox.ini b/tox.ini
index 42b8178..66deedd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -210,3 +210,7 @@ commands = pep8 --repeat --show-source pecan setup.py
 # Generic environment for running commands like packaging
 [testenv:venv]
 commands={posargs}
+
+[testenv:docs]
+deps = sphinx
+commands = python setup.py build_sphinx