diff --git a/tox.ini b/tox.ini
index 8d8833c56d5679de747cae49e1c928aeee7a69f7..c926b748fe282608f99c9c401b5e99af531cd65d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,6 +3,7 @@ envlist=flake8,py3
 
 [testenv:py3]
 deps =
+  -r requirements-test.txt
   pytest-cov
 commands =
   pytest --cov=swh --cov-branch {posargs}