diff --git a/requirements-test.txt b/requirements-test.txt
index cf14bbb..6935955 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,3 +1,3 @@
 flake8==6.1.0
-black==23.7.0
+black==23.9.1
 pytest==7.4.2