diff --git a/tox.ini b/tox.ini
index 9ef6090..415955b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,7 +23,9 @@ whitelist_externals =
 
 [testenv:pep8]
 basepython = python3
-commands = flake8 {posargs}
+commands =
+    python setup.py check --restructuredtext --strict
+    flake8 {posargs}
 
 [testenv:venv]
 basepython = python3