diff --git a/tests/migration_test_data_persistence/tests.py b/tests/migration_test_data_persistence/tests.py
index a04259bba1..ca044f310f 100644
--- a/tests/migration_test_data_persistence/tests.py
+++ b/tests/migration_test_data_persistence/tests.py
@@ -32,7 +32,7 @@ class MigrationDataPersistenceClassSetup(TransactionTestCase):
     @classmethod
     def setUpClass(cls):
         # Simulate another TransactionTestCase having just torn down.
-        call_command("flush", verbosity=0, interactive=False)
+        call_command("flush", verbosity=0, interactive=False, allow_cascade=True)
         super().setUpClass()
         cls.book = Book.objects.first()