diff --git a/requirements-dev.txt b/requirements-dev.txt
index 753a30f..9613785 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ astroid==2.15.6
     # via pylint
 behave==1.2.6
     # via -r requirements-dev.in
-black==23.7.0
+black==23.9.0
     # via -r requirements-dev.in
 build==1.0.3
     # via pip-tools