diff --git a/setup.cfg b/setup.cfg
index f085319..398a718 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -87,7 +87,7 @@ develop =
     build<2
     poethepoet<1
     pip-review<2  # Use `pip-review --local --interactive` to upgrade outdated packages.
-    ruff<0.8;python_version>='3.7'
+    ruff<0.9;python_version>='3.7'
     twine<6