diff --git a/tox.ini b/tox.ini
index aa2b6bf..cdfcac6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -36,6 +36,7 @@ deps =
   WebTest
   mock
   httmock
+  psycopg2
   pylint<1.8
   pylint-django<0.8.1
   django-webtest<1.9.3