diff --git a/python/pyproject.toml b/python/pyproject.toml
index 24af13b940..cb09a6612d 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
 dev = [
     "uv==0.11.3",
     "flit==3.12.0",
-    "ruff==0.15.8",
+    "ruff==0.15.9",
     "pytest==9.0.2",
     "pytest-asyncio==1.3.0",
     "pytest-cov==7.1.0",