diff --git a/tox.ini b/tox.ini
index 8736f0f3c..9dac2d59a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,6 +24,7 @@ deps =
     python-mpd2
     coverage
     discogs-client
+    requests_oauthlib
 
 [_flake8]
 deps =