diff --git a/tox.ini b/tox.ini
index 3d311c9638bc099a522e82a04acc1d90be9a4ebe..685623682d19140b3eb96748c4092a038a8a0718 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,12 +10,13 @@ concurrency = multiprocessing,thread
 
 [testenv]
 deps =
+    pytest-xdist
     pytest-cov
     flake8
     -r requirements.txt
 
 commands =
     coverage erase
-    pytest --cov brian_dashboard_manager --cov-fail-under=75 --cov-report html --cov-report xml --cov-report term -p no:checkdocs
+    pytest -n auto --cov brian_dashboard_manager --cov-fail-under=75 --cov-report html --cov-report xml --cov-report term -p no:checkdocs
     flake8
     sphinx-build -M html docs/source docs/build