diff --git a/requirements-tests.txt b/requirements-tests.txt
index 3e51350..b91514a 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -9,4 +9,4 @@ mypy == 1.13.0
 pytest >= 7.1.3,< 9.0.0
 pytest-asyncio
 pytest-cov >= 2.12.0,< 7.0.0
-ruff ==0.8.4
+ruff ==0.9.9