1 files changed, 3 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index aea06c8..cd122cb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,6 +3,9 @@ minversion = 1.6
 skipsdist = True
 envlist = releasenotes
 
+[testenv]
+install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
+
 [testenv:releasenotes]
 deps = -rtest-requirements.txt
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html