diff --git a/tox.ini b/tox.ini
index 4d781f5e47..44c84cd0f2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,6 +27,7 @@ setenv =
   PYTHONWARNINGS = ignore::UserWarning:psycopg2
 deps =
   -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
 passenv =
   OS_DEBUG GENERATE_HASHES
@@ -160,7 +161,7 @@ commands =
 description =
   Build main documentation.
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  {[testenv]deps}
   -r{toxinidir}/doc/requirements.txt
 commands =
   rm -rf doc/build/html doc/build/doctrees