diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d92392ffc..4ee6ac4f3 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -17,7 +17,7 @@ repos:
         args: [--fix=lf]
       - id: check-case-conflict
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.8.6
+    rev: v0.9.1
     hooks:
       - id: ruff
         args: ["--fix", "--exit-non-zero-on-fix"]
diff --git a/scripts/tests_extension_hook.py b/scripts/tests_extension_hook.py
index 331fc03b3..92ca4a6d5 100644
--- a/scripts/tests_extension_hook.py
+++ b/scripts/tests_extension_hook.py
@@ -23,7 +23,7 @@ def django_plugin_hook(test_item: YamlTestItem) -> None:
     if monkeypatch:
         custom_settings = "import django_stubs_ext\ndjango_stubs_ext.monkeypatch()\n" + custom_settings
 
-    django_settings_section = "\n[mypy.plugins.django-stubs]\n" "django_settings_module = mysettings"
+    django_settings_section = "\n[mypy.plugins.django-stubs]\ndjango_settings_module = mysettings"
     if not test_item.additional_mypy_config:
         test_item.additional_mypy_config = django_settings_section
     else: