diff --git a/pydantic-ai/pyproject.toml b/pydantic-ai/pyproject.toml
index da4bd9f..24e393a 100644
--- a/pydantic-ai/pyproject.toml
+++ b/pydantic-ai/pyproject.toml
@@ -16,7 +16,7 @@ test = [
 ]
 dev = [
     "bolt-python-support-agent-pydantic[test]",
-    "ruff==0.16.3",
+    "ruff==0.16.4",
 ]
 
 [tool.setuptools.packages.find]