diff --git a/requirements-dev.txt b/requirements-dev.txt
index 218ea7eb..1daa987a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
-black==23.7.0
+black==23.9.1
 coverage==7.3.0
 factory-boy==3.3.0
 Faker==19.6.1