1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 0f22650a..3d560044 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ skipdist = True
 [testenv]
 usedevelop = True
 install_command =
-    {toxinidir}/tools/tox_install.sh {env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
+    {toxinidir}/tools/tox_install.sh {env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=stable/pike} {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/test-requirements.txt
 commands = ostestr {posargs}