diff --git a/pyproject.toml b/pyproject.toml
index 9052142d..1fd8b07e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -138,7 +138,7 @@ dev = [
     "flake8-use-pathlib==0.3.0",
     "flake8-copyright==0.2.4",
     "ruff==0.14.7",
-    "black==25.11.0",
+    "black==25.12.0",
     "isort==6.0.0",
     "mypy==1.17.1",
     "mypy-protobuf==3.6.0",