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..ef81c8e
--- /dev/null
+++ b/lower-constraints.txt
@@ -0,0 +1,30 @@
+alabaster==0.7.10
+Babel==2.3.4
+bandit==1.4.0
+coverage==4.0
+docutils==0.11
+extras==1.0.0
+fixtures==3.0.0
+gitdb==0.6.4
+GitPython==1.0.1
+imagesize==0.7.1
+Jinja2==2.10
+linecache2==1.0.0
+MarkupSafe==1.0
+mock==2.0.0
+pbr==2.0.0
+Pygments==2.2.0
+python-mimeparse==1.6.0
+python-subunit==1.0.0
+pytz==2013.6
+PyYAML==3.12
+requests==2.14.2
+six==1.10.0
+smmap==0.9.0
+snowballstemmer==1.2.1
+Sphinx==1.6.5
+sphinxcontrib-websupport==1.0.1
+testrepository==0.0.18
+testtools==2.2.0
+traceback2==1.4.0
+unittest2==1.1.0
diff --git a/tox.ini b/tox.ini
index d6bd257..48eec06 100644
--- a/tox.ini
+++ b/tox.ini
@@ -43,3 +43,10 @@ deps =
   -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
   -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
+
+[testenv:lower-constraints]
+basepython = python3
+deps =
+  -c{toxinidir}/lower-constraints.txt
+  -r{toxinidir}/test-requirements.txt
+  -r{toxinidir}/requirements.txt