diff --git a/priv/repo/migrations/20241111121802_add_invitation_id_to_guest_invitations.exs b/priv/repo/migrations/20241111121802_add_invitation_id_to_guest_invitations.exs
new file mode 100644
index 000000000..ea88f96bc
--- /dev/null
+++ b/priv/repo/migrations/20241111121802_add_invitation_id_to_guest_invitations.exs
@@ -0,0 +1,14 @@
+defmodule Plausible.Repo.Migrations.AddInvitationIdToGuestInvitations do
+  use Ecto.Migration
+
+  @disable_ddl_transaction true
+  @disable_migration_lock true
+
+  def change do
+    alter table(:guest_invitations) do
+      add :invitation_id, :string
+    end
+
+    create unique_index(:guest_invitations, [:invitation_id])
+  end
+end