diff --git a/dev-requirements.txt b/dev-requirements.txt
index 01030e8..752517d 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,5 +1,6 @@
 flake8
 pretend
-pytest-cov
+pytest
+coverage
 sphinx
 tox
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