diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 5aeded446f..17197aea0a 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -5,4 +5,4 @@ cvxpy == 1.5.3
 pytest == 8.3.4 # For unit test
 pytest-xdist == 3.6.1 # For unit test
 mypy == 1.14.1 # For unit test
-ruff == 0.8.6 # For unit test
+ruff == 0.9.1 # For unit test