diff --git a/pyproject.toml b/pyproject.toml
index 648b32c..8bfd0c3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ ph = "phronesitron.cli:main"
 dev = [
     "pytest>=9.1.1",
     "pytest-asyncio>=1.4.0",
-    "ruff>=0.16.3",
+    "ruff>=0.16.4",
     "mypy>=1.20.2",
     "pre-commit>=4.6.2",
 ]