diff --git a/tox.ini b/tox.ini
index 9ae3a7ecf..c3dfc92c1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,9 +27,11 @@ commands =
 
 [testenv:docs]
 deps =
+  {[testenv]deps}
   -r{toxinidir}/doc/requirements.txt
 commands =
   sphinx-build -E -W -b html doc/source doc/build/html
+  doc8 doc/source
 
 [testenv:update-states]
 deps =
@@ -40,7 +42,6 @@ commands = {toxinidir}/tools/update_states.sh
 [testenv:pep8]
 commands =
   flake8 {posargs}
-  doc8 doc/source
 
 [testenv:pylint]
 deps =