diff --git a/requirements-dev.txt b/requirements-dev.txt
index dd44192..a8ba382 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
 responses~=0.25
-ruff~=0.8
+ruff~=0.9
 flake8~=7.1
 pylint~=3.3