diff --git a/tox.ini b/tox.ini
index 1452cb21..baace1f4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ setenv =
     BRANCH_NAME=master
     CLIENT_NAME=oslo.service
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/ussuri}
   -r{toxinidir}/doc/requirements.txt
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
@@ -54,7 +54,7 @@ commands = oslo_debug_helper -t oslo_service/tests {posargs}
 
 [testenv:bandit]
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/ussuri}
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
 commands = bandit -r oslo_service -n5 -x tests {posargs}