1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 8622c3a..b8b0597 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,7 +13,7 @@ envlist = cover,
 setenv = VIRTUAL_ENV={envdir}
          BRANCH_NAME=master
          CLIENT_NAME=taskflow
-install_command = {toxinidir}/tools/tox_install.sh {env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
+install_command = {toxinidir}/tools/tox_install.sh {env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=stable/queens} {opts} {packages}
 # We need to install a bit more than just `test' because those drivers have
 # custom tests that we always run
 deps = .[test,workers,zookeeper,database,redis,eventlet]