diff --git a/app/models/user.rb b/app/models/user.rb
index d338416..43c3a9e 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -18,6 +18,7 @@
 #  unlock_token           :string
 #  created_at             :datetime         not null
 #  updated_at             :datetime         not null
+#  wedding_id             :uuid             not null
 #
 # Indexes
 #
@@ -25,8 +26,15 @@
 #  index_users_on_email                 (email) UNIQUE
 #  index_users_on_reset_password_token  (reset_password_token) UNIQUE
 #  index_users_on_unlock_token          (unlock_token) UNIQUE
+#  index_users_on_wedding_id            (wedding_id)
+#
+# Foreign Keys
+#
+#  fk_rails_...  (wedding_id => weddings.id)
 #
 class User < ApplicationRecord
+  acts_as_tenant :wedding
+
   devise :database_authenticatable, :registerable,
          :recoverable, :validatable, :confirmable, :lockable
 end
diff --git a/db/migrate/20241130185731_add_wedding_id_to_models.rb b/db/migrate/20241130185731_add_wedding_id_to_models.rb
index c57fff4..63e5c32 100644
--- a/db/migrate/20241130185731_add_wedding_id_to_models.rb
+++ b/db/migrate/20241130185731_add_wedding_id_to_models.rb
@@ -2,7 +2,7 @@
 
 class AddWeddingIdToModels < ActiveRecord::Migration[8.0]
   def change
-    [:expenses, :guests, :seats, :tables_arrangements, :groups].each do |table|
+    [:expenses, :guests, :seats, :tables_arrangements, :groups, :users].each do |table|
       add_reference table, :wedding, type: :uuid, null: false, foreign_key: true
     end
   end
diff --git a/db/schema.rb b/db/schema.rb
index fd07a1b..d70dbfa 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1,5 +1,3 @@
-# Copyright (C) 2024 Manuel Bustillo
-
 # This file is auto-generated from the current state of the database. Instead
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
@@ -212,10 +210,12 @@ ActiveRecord::Schema[8.0].define(version: 2024_11_30_185731) do
     t.datetime "locked_at"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.uuid "wedding_id", null: false
     t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
     t.index ["email"], name: "index_users_on_email", unique: true
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
     t.index ["unlock_token"], name: "index_users_on_unlock_token", unique: true
+    t.index ["wedding_id"], name: "index_users_on_wedding_id"
   end
 
   create_table "weddings", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
@@ -241,4 +241,5 @@ ActiveRecord::Schema[8.0].define(version: 2024_11_30_185731) do
   add_foreign_key "solid_queue_recurring_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
   add_foreign_key "solid_queue_scheduled_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
   add_foreign_key "tables_arrangements", "weddings"
+  add_foreign_key "users", "weddings"
 end
diff --git a/db/seeds.rb b/db/seeds.rb
index 5e9886a..206f7da 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -71,10 +71,11 @@ ActsAsTenant.with_tenant(Wedding.create!(slug: :default, date: 1.year.from_now))
   'red'.paint.palette.triad(as: :hex).zip(Group.roots).each { |(color, group)| group.update!(color: color.paint.desaturate(40)) }
 
   Group.roots.each(&:colorize_children)
+
+  User.create!(
+    email: 'development@example.com',
+    confirmed_at: Time.zone.now,
+    password: 'supersecretpassword',
+    password_confirmation: 'supersecretpassword',
+  )
 end
-User.create!(
-  email: 'development@example.com',
-  confirmed_at: Time.zone.now,
-  password: 'supersecretpassword',
-  password_confirmation: 'supersecretpassword',
-)
\ No newline at end of file