diff --git a/pyproject.toml b/pyproject.toml
index b9daa96..c0709bd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "black (>=25.11.0,<25.12.0)",
+    "black (>=25.12.0,<25.13.0)",
     "build (>=1.3.0,<1.4.0)",
     "isort (>=6.1.0,<6.2.0)",
     "types-pytz (>=2025.2.0.20250326,<2025.3.0.0)",