diff --git a/requirements_test.txt b/requirements_test.txt
index fedd212..84e3da1 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -10,5 +10,5 @@ pydantic>=2.0.2
 pymongo==4.3.3
 mypy==0.991
 mypy-extensions==1.0.0
-black==23.3.0
+black==23.9.1
 isort==5.12.0
\ No newline at end of file