diff --git a/test-requirements.txt b/test-requirements.txt
index 1ab9bab..6acecf4 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,3 @@
 pytest-it==0.1.4
 pytest==7.4.2
-black==23.7.0
+black==23.9.1