diff --git a/.gitignore b/.gitignore
index ca0852f4486f139a44a30ce1aef09f3a3b7e174c..3f79027d8995d0f44991b9e210d6d34f41f6ba66 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ __pycache__
 .tox
 coverage.xml
 *.egg-info
+docs/build
diff --git a/tox.ini b/tox.ini
index 43c2f29cbee3137d8118fa87b7013d52b2b0f735..7471af5937225226fa844f875061f820644609f4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,3 +18,4 @@ commands =
     coverage html
     coverage report --fail-under 80
     flake8
+    sphinx-build -M html docs/source docs/build