diff --git a/.zuul.yaml b/.zuul.yaml
new file mode 100644
index 0000000..67a39c4
--- /dev/null
+++ b/.zuul.yaml
@@ -0,0 +1,7 @@
+- project:
+    check:
+      jobs:
+        - openstack-tox-lower-constraints
+    gate:
+      jobs:
+        - openstack-tox-lower-constraints
diff --git a/lower-constraints.txt b/lower-constraints.txt
new file mode 100644
index 0000000..30657f0
--- /dev/null
+++ b/lower-constraints.txt
@@ -0,0 +1,35 @@
+alabaster==0.7.10
+Babel==2.3.4
+coverage==4.0
+docutils==0.11
+dulwich==0.15.0
+extras==1.0.0
+fixtures==3.0.0
+flake8-docstrings==0.2.1.post1
+flake8==2.5.5
+hacking==0.12.0
+imagesize==0.7.1
+Jinja2==2.10
+linecache2==1.0.0
+MarkupSafe==1.0
+mccabe==0.2.1
+openstackdocstheme==1.18.1
+pbr==2.0.0
+pep257==0.7.0
+pep8==1.5.7
+pyflakes==0.8.1
+Pygments==2.2.0
+pyldap==2.4.20
+python-mimeparse==1.6.0
+python-subunit==1.0.0
+pytz==2013.6
+requests==2.14.2
+six==1.10.0
+snowballstemmer==1.2.1
+Sphinx==1.6.2
+sphinxcontrib-websupport==1.0.1
+testrepository==0.0.18
+testresources==2.0.0
+testtools==2.2.0
+traceback2==1.4.0
+unittest2==1.1.0
diff --git a/tox.ini b/tox.ini
index 5327d4c..916708f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -45,3 +45,10 @@ exclude = .venv,.tox,dist,doc,*egg,build
 [testenv:docs]
 commands=
     python setup.py build_sphinx
+
+[testenv:lower-constraints]
+basepython = python3
+deps =
+  -c{toxinidir}/lower-constraints.txt
+  -r{toxinidir}/test-requirements.txt
+  -r{toxinidir}/requirements.txt