diff --git a/requirements_dev.txt b/requirements_dev.txt
index 2cbf181..f970642 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-pre-commit==1.20.0
+pre-commit==1.21.0
 pylint
 pytest>=4.6.6
 rope==0.14.0