1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 28578a2..b1d7983 100644
--- a/tox.ini
+++ b/tox.ini
@@ -64,7 +64,7 @@ show-source = True
 exclude = .venv,.tox,dist,doc,*egg,build
 
 [testenv:docs]
-commands = python setup.py build_sphinx
+commands = sphinx-build -W -b html doc/source doc/build/html
 deps = -r{toxinidir}/doc/requirements.txt
 
 [testenv:pdf-docs]