diff --git a/api/migrations/0003_alter_typetracking_unique_together.py b/api/migrations/0003_alter_typetracking_unique_together.py
new file mode 100644
index 0000000..b6ac44f
--- /dev/null
+++ b/api/migrations/0003_alter_typetracking_unique_together.py
@@ -0,0 +1,20 @@
+# Generated by Django 5.0.6 on 2024-05-17 22:01
+
+from django.conf import settings
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0002_typetracking'),
+        ('sde', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='typetracking',
+            unique_together={('user', 'type')},
+        ),
+    ]
diff --git a/api/models.py b/api/models.py
index f4a8175..2c1d76b 100644
--- a/api/models.py
+++ b/api/models.py
@@ -18,3 +18,6 @@ class Acquisition(models.Model):
 class TypeTracking(models.Model):
     user = models.ForeignKey("auth.User", related_name="types_tracking", on_delete=models.CASCADE)
     type = models.ForeignKey(SDEType, related_name="tracked_by", on_delete=models.CASCADE)
+
+    class Meta:
+        unique_together = [('user', 'type')]
diff --git a/api/views.py b/api/views.py
index 7431826..27e8b98 100644
--- a/api/views.py
+++ b/api/views.py
@@ -29,7 +29,6 @@ class UserViewSet(viewsets.ReadOnlyModelViewSet):
     permission_classes = [permissions.IsAuthenticated]
 
 
-
 class GroupViewSet(viewsets.ReadOnlyModelViewSet):
     """
     API endpoint that allows groups to be viewed or edited.