diff --git a/pyproject.toml b/pyproject.toml
index a132bef9..02cc71e9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ requirements-test = [
     "pytest-aiohttp==1.1.1",
     "pytest-asyncio==1.4.0",
     "pytest-cov==7.1.0",
-    "ruff==0.15.20",
+    "ruff==0.15.21",
     "types-xmltodict==v1.0.1.20260518",
 ]
 requirements-dev = [