diff --git a/tox.ini b/tox.ini
index 53d7a19..a212b74 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ envlist =
     lint,
 
 [testenv]
-commands = coverage run --parallel-mode manage.py test
+commands = coverage run --parallel-mode manage.py test {posargs}
 usedevelop = True
 setenv =
     PYTHONDONTWRITEBYTECODE=1