diff --git a/tests/tests/test_model_resolution/test_resolve_from_url_kwargs.py b/tests/tests/test_model_resolution/test_resolve_from_url_kwargs.py
index 54612f5..49016d1 100644
--- a/tests/tests/test_model_resolution/test_resolve_from_url_kwargs.py
+++ b/tests/tests/test_model_resolution/test_resolve_from_url_kwargs.py
@@ -73,7 +73,7 @@ class GetModelForUrlWithCustomObjectResolution(WebmentionTestCase):
 
     def setUp(self) -> None:
         super().setUp()
-        self.published = timezone.datetime(2022, 3, 28, 9, 3, 2)
+        self.published = timezone.datetime(2022, 3, 28, 9, 3, 2, tzinfo=timezone.get_current_timezone())
 
         blog = SampleBlog.objects.create(slug="blogslug")
         MentionableTestBlogPost.objects.create(
@@ -92,7 +92,7 @@ def setUp(self) -> None:
             blog=blog,
             content="hello am decoy",
             slug="testpostslug",
-            timestamp=timezone.datetime(2022, 3, 27, 9, 3, 2),
+            timestamp=timezone.datetime(2022, 3, 27, 9, 3, 2, tzinfo=timezone.get_current_timezone()),
         )
 
     def test_get_model_for_url__with_custom_lookup(self):
diff --git a/tests/tests/test_model_resolution/urlpatterns/test_with_urlpattern_helpers.py b/tests/tests/test_model_resolution/urlpatterns/test_with_urlpattern_helpers.py
index 5aa3677..5b9fab4 100644
--- a/tests/tests/test_model_resolution/urlpatterns/test_with_urlpattern_helpers.py
+++ b/tests/tests/test_model_resolution/urlpatterns/test_with_urlpattern_helpers.py
@@ -84,14 +84,14 @@ def test_mentions_path_resolves_model(self):
         self.assertEqual(obj, retrieved_obj)
 
     def test_mentions_path_with_complex_mapping_resolves_model(self):
-        published = timezone.datetime(2022, 3, 28, 9, 3, 2)
+        published = timezone.datetime(2022, 3, 28, 9, 3, 2, tzinfo=timezone.get_current_timezone())
 
         blog = SampleBlog.objects.create(slug="blog-slug")
         MentionableTestBlogPost.objects.create(
             blog=blog,
             content="hello am decoy",
             slug="testpostslug",
-            timestamp=timezone.datetime(2022, 3, 27, 9, 3, 2),
+            timestamp=timezone.datetime(2022, 3, 27, 9, 3, 2, tzinfo=timezone.get_current_timezone()),
         )
         MentionableTestBlogPost.objects.create(
             blog=blog,