diff --git a/pyproject.toml b/pyproject.toml
index 68c2859..ac257c0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,16 +41,16 @@ static = [
     "ruff>=0.14.1",
     "mypy>=1.14.1,<2",
     "gitpython==3.1.44",
-    "black==24.8.0",
+    "black==25.9.0",
 ]
 test = [
-    "black==24.8.0",
+    "black==25.9.0",
     "pytest>=8,<9",
     "pytest-cov>=5,<6",
 ]
 primer = [
     "gitpython==3.1.44",
-    "black==24.8.0",
+    "black==25.9.0",
 ]