diff --git a/tox.ini b/tox.ini
index 47a8754e..987323c4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,7 @@ whitelist_externals = bash
                       rm
 install_command = pip install {opts} {packages}
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/yoga}
   .[influxdb,cassandra,elasticsearch]
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
@@ -111,7 +111,7 @@ deps =
   -r{toxinidir}/requirements.txt
 
 [testenv:releasenotes]
-deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/yoga}
        -r{toxinidir}/doc/requirements.txt
 basepython = python3
 description = Called from CI script to test and publish the Release Notes