diff --git a/app/models/deploy_distributed_press.rb b/app/models/deploy_distributed_press.rb
index 678d7083..bbd5a9a0 100644
--- a/app/models/deploy_distributed_press.rb
+++ b/app/models/deploy_distributed_press.rb
@@ -12,7 +12,7 @@ require 'distributed_press/v1/client/site'
 # Al ser publicado, envía los archivos en un tarball y actualiza la
 # información.
 class DeployDistributedPress < Deploy
-  store :values, accessors: %i[hostname remote_site_id remote_info], coder: JSON
+  store :values, accessors: %i[hostname remote_site_id remote_info distributed_press_publisher_id], coder: JSON
 
   before_create :create_remote_site!
   before_destroy :delete_remote_site!
@@ -95,12 +95,14 @@ class DeployDistributedPress < Deploy
 
   # El cliente de la API
   #
-  # TODO: cuando soportemos más, tiene que haber una relación entre
-  # DeployDistributedPress y DistributedPressPublisher.
-  #
   # @return [DistributedPressPublisher]
   def publisher
-    @publisher ||= DistributedPressPublisher.last
+    @publisher ||=
+      if distributed_press_publisher_id
+        DistributedPressPublisher.find(distributed_press_publisher_id)
+      else
+        DistributedPressPublisher.find_by_default(true)
+      end
   end
 
   # El cliente para actualizar el sitio
diff --git a/app/models/distributed_press_publisher.rb b/app/models/distributed_press_publisher.rb
index 6139db93..4c3293e3 100644
--- a/app/models/distributed_press_publisher.rb
+++ b/app/models/distributed_press_publisher.rb
@@ -13,8 +13,8 @@ class DistributedPressPublisher < ApplicationRecord
   # @return [IO]
   attr_reader :logger_out
 
-  # La instancia es única
-  validates_uniqueness_of :instance
+  # La instancia es necesaria pero no única
+  validates_presence_of :instance
 
   # El token es necesario
   validates_presence_of :token
diff --git a/db/migrate/20231101200026_add_default_to_distributed_press_publisher.rb b/db/migrate/20231101200026_add_default_to_distributed_press_publisher.rb
new file mode 100644
index 00000000..fd833acb
--- /dev/null
+++ b/db/migrate/20231101200026_add_default_to_distributed_press_publisher.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+# Una instancia es la instancia por defecto
+class AddDefaultToDistributedPressPublisher < ActiveRecord::Migration[6.1]
+  def up
+    add_column :distributed_press_publishers, :default, :boolean, default: false
+
+    DistributedPressPublisher.last&.update(default: true)
+  end
+
+  def down
+    remove_column :distributed_press_publishers, :default
+  end
+end