diff --git a/tox.ini b/tox.ini
index 19e7d01..ac7d89b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,5 +16,6 @@ deps =
     -r requirements-test.txt
 
 commands =
+    pre-commit run -a
     coverage run --append -m unittest discover
     coverage report --show-missing --ignore-errors