diff --git a/src/servala/core/migrations/0010_remove_invitation_unique_constraint.py b/src/servala/core/migrations/0010_remove_invitation_unique_constraint.py
new file mode 100644
index 0000000..78c2c45
--- /dev/null
+++ b/src/servala/core/migrations/0010_remove_invitation_unique_constraint.py
@@ -0,0 +1,31 @@
+# Generated by Django 5.2.7 on 2025-10-22 13:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("core", "0009_controlplane_wildcard_dns_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name="organizationinvitation",
+            unique_together=set(),
+        ),
+        migrations.AlterField(
+            model_name="servicedefinition",
+            name="advanced_fields",
+            field=models.JSONField(
+                blank=True,
+                default=list,
+                help_text=(
+                    "Array of field names that should be hidden behind an 'Advanced' toggle. "
+                    "Use dot notation (e.g., ['spec.parameters.monitoring.enabled', 'spec.parameters.backup.schedule'])"
+                ),
+                null=True,
+                verbose_name="Advanced fields",
+            ),
+        ),
+    ]
diff --git a/src/servala/core/models/organization.py b/src/servala/core/models/organization.py
index 2bc76ff..553fa12 100644
--- a/src/servala/core/models/organization.py
+++ b/src/servala/core/models/organization.py
@@ -503,7 +503,6 @@ class OrganizationInvitation(ServalaModelMixin, models.Model):
     class Meta:
         verbose_name = _("Organization invitation")
         verbose_name_plural = _("Organization invitations")
-        unique_together = [["organization", "email"]]
 
     def __str__(self):
         return f"Invitation for {self.email} to {self.organization}"