diff --git a/pyproject.toml b/pyproject.toml
index 44847dd..a1ec6cd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "pytest==9.0.3",
-    "ruff==0.15.18",
+    "ruff==0.16.4",
     "coverage>=7.6",
     "mypy>=1.11",
     "pip-tools==7.6.1",