diff --git a/pyproject.toml b/pyproject.toml
index 1707cc1..66a47d0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ dev-test = [
     "pyyaml==6.0.2",
 ]
 dev-lint = [
-    "ruff==0.8.4",
+    "ruff==0.9.1",
     "mypy==1.14.1",
 ]