diff --git a/.zuul.d/project.yaml b/.zuul.d/project.yaml
new file mode 100644
index 00000000..67a39c42
--- /dev/null
+++ b/.zuul.d/project.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 00000000..fa016b5f
--- /dev/null
+++ b/lower-constraints.txt
@@ -0,0 +1,52 @@
+alabaster==0.7.10
+appdirs==1.3.0
+Babel==2.3.4
+bandit==1.4.0
+coverage==4.0
+debtcollector==1.2.0
+docutils==0.11
+dulwich==0.15.0
+extras==1.0.0
+fixtures==3.0.0
+flake8==2.5.5
+gitdb==0.6.4
+GitPython==1.0.1
+hacking==0.12.0
+imagesize==0.7.1
+iso8601==0.1.11
+Jinja2==2.10
+keystoneauth1==3.4.0
+linecache2==1.0.0
+MarkupSafe==1.0
+mccabe==0.2.1
+mock==2.0.0
+mox3==0.20.0
+netaddr==0.7.18
+openstackdocstheme==1.18.1
+os-client-config==1.28.0
+oslo.i18n==3.15.3
+oslotest==3.2.0
+pbr==2.0.0
+pep8==1.5.7
+pyflakes==0.8.1
+Pygments==2.2.0
+python-mimeparse==1.6.0
+python-subunit==1.0.0
+pytz==2013.6
+PyYAML==3.12
+reno==2.5.0
+requests==2.14.2
+requestsexceptions==1.2.0
+rfc3986==0.3.1
+six==1.10.0
+smmap==0.9.0
+snowballstemmer==1.2.1
+Sphinx==1.6.5
+sphinxcontrib-websupport==1.0.1
+stevedore==1.20.0
+testrepository==0.0.18
+testscenarios==0.4
+testtools==2.2.0
+traceback2==1.4.0
+unittest2==1.1.0
+wrapt==1.7.0
diff --git a/tox.ini b/tox.ini
index fa3c59e1..57427129 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,6 +13,13 @@ commands =
   python setup.py test --coverage --coverage-package-name=oslo_config --slowest --testr-args='{posargs}'
   coverage report --show-missing
 
+[testenv:lower-constraints]
+basepython = python3
+deps =
+  -c{toxinidir}/lower-constraints.txt
+  -r{toxinidir}/test-requirements.txt
+  -r{toxinidir}/requirements.txt
+
 [testenv:pep8]
 commands =
   flake8