1 files changed, 3 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 1552ec77..945b0622 100644
--- a/tox.ini
+++ b/tox.ini
@@ -36,7 +36,9 @@ commands =
     bash -c "find ceilometer -type f -regex '.*\.pot?' -print0|xargs -0 -n 1 msgfmt --check-format -o /dev/null"
 
 [testenv:releasenotes]
-deps = -r{toxinidir}/doc/requirements.txt
+deps =
+    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:genconfig]