diff --git a/tox.ini b/tox.ini
index 3fe0997..33e137e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -93,7 +93,7 @@ setenv =
     VIRTUAL_ENV={envdir}
     LC_ALL=en_US.utf-8
 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}
 deps = -r{toxinidir}/test-requirements.txt
 allowlist_externals = bash