diff --git a/dev-requirements.txt b/dev-requirements.txt
index c45421f..ad73035 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,4 +1,4 @@
-black==25.9.0
+black==25.11.0
 certifi==2025.10.5
 cfgv==3.4.0
 charset-normalizer==3.4.4
diff --git a/pyproject.toml b/pyproject.toml
index 218220e..ff0cf89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "black==25.9.0",
+    "black==25.11.0",
     "pytest>=8.3.2",
     "pytest-cov>=4.0.0",
     "ruff>=0.13.3",