diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index cf607e2..a0d2c88 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -1,5 +1,5 @@
 pip==23.2.1
 pre-commit==3.3.3
-black==23.7.0
+black==23.9.1
 flake8==6.1.0
 reorder-python-imports==3.12.0