update precommit
diff --git a/test-requirements.txt b/test-requirements.txt
index f09cf7f..2c28785 100755
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,3 +9,4 @@
 oslotest>=1.10.0 # Apache-2.0
 stestr>=1.0.0 # Apache-2.0
 testtools>=1.4.0 # MIT
+pre-commit