diff --git a/pyproject.toml b/pyproject.toml
index c2e18c0..efaa836 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ mod_fldr_dt = "folder_datetime_fix.cli:main"
 [project.optional-dependencies]
 dev = [
     "pytest>=7.0.0",
-    "black>=23.0.0",
+    "black>=25.11.0",
     "flake8>=6.0.0",
     "mypy>=1.0.0",
 ]