diff --git a/requirements-dev.txt b/requirements-dev.txt
index 356060d8..4e8e334a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ Faker==21.0.0
 flake8==6.1.0
 isort==5.13.2
 pre-commit==3.6.0
-pytest-django==4.5.2
+pytest-django==4.7.0
 responses==0.24.1
 
 # mypy and PEP 561 stubs
diff --git a/src/chains/tests/test_apps.py b/src/chains/tests/test_apps.py
index 772561e7..84a242dc 100644
--- a/src/chains/tests/test_apps.py
+++ b/src/chains/tests/test_apps.py
@@ -22,7 +22,7 @@ def test_validate_storage_setup(settings) -> None:  # type: ignore[no-untyped-de
     settings.AWS_STORAGE_BUCKET_NAME = None
 
     assertRaisesMessage(
-        ImproperlyConfigured,  # type: ignore[arg-type]
+        ImproperlyConfigured,
         "Storage set to S3 but AWS is not configured",
         _validate_storage_setup,
     )