diff --git a/tests/test_fields.py b/tests/test_fields.py
index bfa4f24d4..bd20ba64d 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -1625,6 +1625,7 @@ class TestCustomTimezoneForDateTimeField(TestCase):
         assert rendered_date == rendered_date_in_timezone
 
 
+@pytest.mark.skipif(condition=pytz is None, reason="pytz is not available.")
 @pytest.mark.skipif(
     condition=django.VERSION >= (5,),
     reason="Django 5.0 has removed pytz; this test should eventually be able to get removed.",
diff --git a/tox.ini b/tox.ini
index 0adcee3a4..e9d8f9e37 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,6 +17,7 @@ setenv =
        PYTHONWARNINGS=once
 deps =
         django42: Django>=4.2,<5.0
+        django42: pytz
         django50: Django>=5.0,<5.1
         django51: Django>=5.1,<5.2
         django52: Django>=5.2,<6.0