diff --git a/tox.ini b/tox.ini
index 56fa55a..dd03cae 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ ignore_basepython_conflict=true
 basepython = python3
 usedevelop = True
 deps =
-       -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+       -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/victoria}
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 install_command = pip install {opts} {packages}