diff --git a/tests/requirements.txt b/tests/requirements.txt
index 4e4fcc32..48e4865a 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,4 +1,4 @@
-ruff==0.15.5
+ruff==0.15.9
 pytest==8.4.2
 ipdb==0.13.13
 mypy==1.19.1