diff --git a/tox.ini b/tox.ini
index 933ee560e..d80fa98c3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,6 +21,7 @@ deps =
        {py26,py27}-django{14,15}: django-oauth2-provider==0.2.3
        {py26,py27}-django16: django-oauth2-provider==0.2.4
        pytest-django==2.6.1
+       pytest-xdist==1.11
        django-filter==0.7
        defusedxml==0.3
        markdown>=2.1.0