diff --git a/tox.ini b/tox.ini
index ca8301de..ae129c67 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ stxdir = {toxinidir}/..
 
 [testenv]
 install_command = pip install -U \
-  -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/stable/stein/upper-constraints.txt} \
+  -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/starlingx/root/raw/branch/master/build-tools/requirements/debian/upper-constraints.txt} \
   {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
          OS_STDOUT_CAPTURE=1