diff --git a/requirements_dev.txt b/requirements_dev.txt
index b7b76cb..d65eb8c 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -11,4 +11,4 @@ PyYAML==6.0
 pytest==7.4.2
 vcrpy==2.1.1
 twine==4.0.2
-black==23.3.0
+black==23.9.1