1 files changed, 2 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 06f2a27..c98a1d5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,6 +15,8 @@ commands = stestr run --slowest {posargs}
 commands = flake8
 
 [testenv:docs]
+deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+       -r{toxinidir}/doc/requirements.txt
 whitelist_externals =
   rm
 commands =