diff --git a/tox.ini b/tox.ini
index ea12dd2..7656b8e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ skipsdist = True
 usedevelop = True
 install_command = pip install {opts} {packages}
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+  -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=stable/queens}
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
 commands = python setup.py test --slowest --testr-args='{posargs}'