diff --git a/tox.ini b/tox.ini
index b437a7a..92bcb75 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,6 +16,7 @@
 commands =
     sphinx-build -W -b html -d {envtmpdir}/doctrees docs docs/_build/html
     sphinx-build -W -b doctest -d {envtmpdir}/doctrees docs docs/_build/html
+    sphinx-build -W -b linkcheck docs docs/_build/html
 
 [testenv:pep8]
 deps = flake8