diff --git a/lower-constraints.txt b/lower-constraints.txt
index da1395fd..7c2a5ded 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -3,6 +3,7 @@ Babel==2.3.4
 bandit==1.4.0
 coverage==4.0
 debtcollector==1.2.0
+docutils==0.11
 extras==1.0.0
 fixtures==3.0.0
 flake8==2.5.5
diff --git a/test-requirements.txt b/test-requirements.txt
index e3c410b9..83923d8d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -16,3 +16,4 @@ requests-mock>=1.2.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
+docutils>=0.11
diff --git a/tox.ini b/tox.ini
index 1b9a1bec..2f539ec6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -68,6 +68,7 @@ basepython = python3
 commands =
   {[testenv:flake8]commands}
   {[testenv:bandit]commands}
+  python setup.py check --restructuredtext --strict
 
 [testenv:venv]
 basepython = python3