diff --git a/validity/tests/factories.py b/validity/tests/factories.py
index 88142ac..7b05859 100644
--- a/validity/tests/factories.py
+++ b/validity/tests/factories.py
@@ -1,5 +1,6 @@
 import datetime
 
+import django
 import factory
 from dcim.models import DeviceRole, DeviceType, Location, Manufacturer, Platform, Site
 from extras.models import Tag
@@ -10,6 +11,9 @@
 from validity.compliance.state import StateItem
 
 
+DJANGO_MAJOR_VERSION = django.VERSION[:2]
+
+
 class DataSourceFactory(DjangoModelFactory):
     name = factory.Sequence(lambda n: f"datasource-{n}")
     type = "local"
@@ -30,6 +34,11 @@ class DataFileFactory(DjangoModelFactory):
     class Meta:
         model = models.VDataFile
 
+    @factory.post_generation
+    def to_memoryview(self, **kwargs):
+        if DJANGO_MAJOR_VERSION < (4, 2) and isinstance(self.data, bytes):
+            self.data = memoryview(self.data)
+
 
 class DataSourceLinkFactory(DjangoModelFactory):
     data_source = factory.SubFactory(DataSourceFactory)