diff --git a/pyproject.toml b/pyproject.toml
index 571add58..319b7ed8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dev = [
     "mypy==1.15.0",
     "flake8==7.1.2",
     "pre-commit==4.1.0",
-    "ruff==0.9.7",
+    "ruff==0.9.9",
     "pylint==3.3.4",
     "pylint-pydantic==0.3.5",
     "pytest==8.3.4",