diff --git a/src/hct_mis_api/apps/grievance/migrations/0007_migration.py b/src/hct_mis_api/apps/grievance/migrations/0007_migration.py
new file mode 100644
index 0000000000..553670de05
--- /dev/null
+++ b/src/hct_mis_api/apps/grievance/migrations/0007_migration.py
@@ -0,0 +1,25 @@
+# Generated by Django 3.2.25 on 2024-12-27 12:53
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('household', '0006_migration'),
+        ('grievance', '0006_migration'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='tickethouseholddataupdatedetails',
+            name='household',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='household_data_update_ticket_details', to='household.household'),
+        ),
+        migrations.AlterField(
+            model_name='ticketindividualdataupdatedetails',
+            name='individual',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='individual_data_update_ticket_details', to='household.individual'),
+        ),
+    ]
diff --git a/src/hct_mis_api/apps/grievance/models.py b/src/hct_mis_api/apps/grievance/models.py
index d9ef387ca3..644251afac 100644
--- a/src/hct_mis_api/apps/grievance/models.py
+++ b/src/hct_mis_api/apps/grievance/models.py
@@ -11,7 +11,7 @@
 from django.core.validators import MinValueValidator
 from django.db import models
 from django.db.models import JSONField, Q, QuerySet, UniqueConstraint
-from django.db.models.signals import post_save
+from django.db.models.signals import post_delete, post_save
 from django.dispatch import receiver
 from django.utils.functional import cached_property
 from django.utils.translation import gettext_lazy as _
@@ -690,7 +690,6 @@ class TicketHouseholdDataUpdateDetails(TimeStampedUUIDModel):
         "household.Household",
         related_name="household_data_update_ticket_details",
         on_delete=models.CASCADE,
-        null=True,
     )
     household_data = JSONField(null=True)
 
@@ -698,6 +697,14 @@ class Meta:
         verbose_name_plural = "Ticket Household Data Update Details"
 
 
+@receiver(post_delete, sender=TicketHouseholdDataUpdateDetails)
+def delete_grievance_ticket_on_household_details_update_delete(
+    sender: TicketHouseholdDataUpdateDetails, instance: TicketHouseholdDataUpdateDetails, **kwargs: Any
+) -> None:
+    if hasattr(instance, "ticket"):  # pragma: no cover
+        instance.ticket.delete()
+
+
 class TicketIndividualDataUpdateDetails(TimeStampedUUIDModel):
     STATUS_FLOW = GENERAL_STATUS_FLOW
 
@@ -710,7 +717,6 @@ class TicketIndividualDataUpdateDetails(TimeStampedUUIDModel):
         "household.Individual",
         related_name="individual_data_update_ticket_details",
         on_delete=models.CASCADE,
-        null=True,
     )
     individual_data = JSONField(null=True)
     role_reassign_data = JSONField(default=dict)
@@ -723,6 +729,14 @@ class Meta:
         verbose_name_plural = "Ticket Individual Data Update Details"
 
 
+@receiver(post_delete, sender=TicketIndividualDataUpdateDetails)
+def delete_grievance_ticket_on_individual_details_update_delete(
+    sender: TicketIndividualDataUpdateDetails, instance: TicketIndividualDataUpdateDetails, **kwargs: Any
+) -> None:
+    if hasattr(instance, "ticket"):  # pragma: no cover
+        instance.ticket.delete()
+
+
 class TicketAddIndividualDetails(TimeStampedUUIDModel):
     STATUS_FLOW = GENERAL_STATUS_FLOW