diff --git a/tox.ini b/tox.ini
index 329a05707..b17ab9c05 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,7 +5,7 @@ skipdist = True
 
 [testenv]
 usedevelop = True
-install_command = python3 -m pip install -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/master/upper-constraints.txt} -c{toxinidir}/constraints.txt {opts} {packages}
+install_command = python3 -m pip install -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master} -c{toxinidir}/constraints.txt {opts} {packages}
 passenv = *
 setenv =
   ANSIBLE_ACTION_PLUGINS={toxinidir}/tripleo_ansible/roles.galaxy/config_template/action:{toxinidir}/tripleo_ansible/ansible_plugins/action