diff --git a/tests/test_models/test_status_model.py b/tests/test_models/test_status_model.py
index 8d6e89d..9c9a4a4 100644
--- a/tests/test_models/test_status_model.py
+++ b/tests/test_models/test_status_model.py
@@ -9,6 +9,8 @@ from tests.models import CustomManagerStatusModel, Status, StatusPlainTuple
 
 
 class StatusModelTests(TestCase):
+    model: type[Status] | type[StatusPlainTuple]
+
     def setUp(self) -> None:
         self.model = Status
         self.on_hold = Status.STATUS.on_hold
diff --git a/tests/test_models/test_timestamped_model.py b/tests/test_models/test_timestamped_model.py
index 1cc8d51..6697941 100644
--- a/tests/test_models/test_timestamped_model.py
+++ b/tests/test_models/test_timestamped_model.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from collections.abc import Iterable
 from datetime import datetime, timedelta, timezone
 
 import time_machine
@@ -114,7 +115,7 @@ class TimeStampedModelTests(TestCase):
                 self.assertEqual(t1.modified, datetime(2020, 1, 2, tzinfo=timezone.utc))
 
     def test_save_is_skipped_for_empty_update_fields_iterable(self) -> None:
-        tests = (
+        tests: Iterable[Iterable[str]] = (
             [],  # list
             (),  # tuple
             set(),  # set