diff --git a/Config/Migration/1634459814_update_mail_answer_receivable.php b/Config/Migration/1634459814_update_mail_answer_receivable.php
new file mode 100644
index 0000000..63c3516
--- /dev/null
+++ b/Config/Migration/1634459814_update_mail_answer_receivable.php
@@ -0,0 +1,72 @@
+<?php
+/**
+ * 登録フォームのフォーム投稿の通知をルーム管理には通知せずに本人のみに設定できるようにする
+ *
+ * @author Shohei Nakajima <nakajimashouhei@gmail.com>
+ * @link http://www.netcommons.org NetCommons Project
+ * @license http://www.netcommons.org/license.txt NetCommons License
+ * @copyright Copyright 2014, NetCommons Project
+ */
+
+App::uses('NetCommonsMigration', 'NetCommons.Config/Migration');
+
+/**
+ * 登録フォームのフォーム投稿の通知をルーム管理には通知せずに本人のみに設定できるようにする
+ *
+ * @author Shohei Nakajima <nakajimashouhei@gmail.com>
+ * @package NetCommons\Roles\Config\Migration
+ * @see https://github.com/NetCommons3/NetCommons3/issues/1669
+ */
+class UpdateMailAnswerReceivable extends NetCommonsMigration {
+
+/**
+ * Migration description
+ *
+ * @var string
+ */
+	public $description = 'update_mail_answer_receivable';
+
+/**
+ * Actions to be performed
+ *
+ * @var array $migration
+ */
+	public $migration = array(
+		'up' => array(
+		),
+		'down' => array(
+		),
+	);
+
+/**
+ * Before migration callback
+ *
+ * @param string $direction Direction of migration process (up or down)
+ * @return bool Should process continue
+ */
+	public function before($direction) {
+		return true;
+	}
+
+/**
+ * After migration callback
+ *
+ * @param string $direction Direction of migration process (up or down)
+ * @return bool Should process continue
+ */
+	public function after($direction) {
+		if ($direction === 'up') {
+			$update = array(
+				'fixed' => '\'0\'',
+				'modified' => '\'' . gmdate('Y-m-d H:i:s') . '\''
+			);
+			$conditions = array(
+				'role_key' => 'room_administrator',
+				'permission' => 'mail_answer_receivable',
+			);
+			$DefaultRolePermission = $this->generateModel('DefaultRolePermission');
+			$DefaultRolePermission->updateAll($update, $conditions);
+		}
+		return true;
+	}
+}