1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 57811fa80f..432cc844d9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ whitelist_externals = bash
                       find
                       rm
                       env
-install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
+install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=stable/queens} {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
          LANGUAGE=en_US
          LC_ALL=en_US.utf-8