diff --git a/requirements-testing.txt b/requirements-testing.txt
index 69e723e6..be3da1d0 100644
--- a/requirements-testing.txt
+++ b/requirements-testing.txt
@@ -5,7 +5,7 @@ pytest-cov == 6.0.*
 pytest-timeout == 2.3.*
 pytest-xdist == 3.6.*
 black == 24.*
-ruff == 0.8.*
+ruff == 0.9.*
 mypy == 1.11.*
 psutil == 6.1.*
 types-PyYAML ~= 6.0