diff --git a/requirements.txt b/requirements.txt
index 97c33fa..713ddeb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-black==23.7.0
+black==23.9.1
 grpcio-tools==1.57.0
 grpcio==1.57.0
 protobuf==4.24.3