diff --git a/handler/runtest.sh b/handler/runtest.sh
index 9da9a7d..471fb54 100755
--- a/handler/runtest.sh
+++ b/handler/runtest.sh
@@ -1,2 +1,3 @@
 #!/bin/sh
+pre-commit run -a
 python -m unittest discover -s tests -p 'test_*.py'