1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 2c643f39f..6c9e23f02 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ pip_version = pip==20.2.4
 usedevelop = True
 deps =
   -c{toxinidir}/upper-constraints.txt
-  -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/master/upper-constraints.txt}
+  -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/stable/zed/upper-constraints.txt}
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
 install_command = pip install {opts} {packages}