diff --git a/tox.ini b/tox.ini
index 8c21ef49d..5a35a020e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,6 +34,12 @@ commands =
     python tools/hacking.py --ignore=E12,E711,E721,E712,N403,N404 --show-source \
         --filename=ceilometer* bin
 
+[testenv:docs]
+deps = -r{toxinidir}/tools/test-requires
+       -r{toxinidir}/tools/pip-requires
+       sphinxcontrib-httpdomain
+commands = python setup.py build_sphinx
+
 [testenv:venv]
 deps = -r{toxinidir}/tools/test-requires
        -r{toxinidir}/tools/pip-requires