diff --git a/repo/pyproject.toml b/repo/pyproject.toml
index 0f48866..b3c82eb 100644
--- a/repo/pyproject.toml
+++ b/repo/pyproject.toml
@@ -29,7 +29,7 @@ tuf-on-ci-update-targets = "tuf_on_ci:update_targets"
 [project.optional-dependencies]
 lint = [
   "mypy == 1.10.0",
-  "ruff == 0.4.4",
+  "ruff == 0.4.9",
 ]
 
 [tool.hatch.version]