diff --git a/phpBB/phpbb/db/migration/data/v400/add_notification_push_table.php b/phpBB/phpbb/db/migration/data/v400/add_notification_push_table.php
new file mode 100644
index 0000000000..0d71f5fb60
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v400/add_notification_push_table.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\db\migration\data\v400;
+
+use phpbb\db\migration\migration;
+
+class add_notification_push_table extends migration
+{
+	public static function depends_on(): array
+	{
+		return [
+			'\phpbb\db\migration\data\v400\dev',
+		];
+	}
+
+	public function effectively_installed(): bool
+	{
+		return $this->db_tools->sql_table_exists($this->table_prefix . 'notification_push');
+	}
+
+	public function update_schema(): array
+	{
+		return [
+			'add_tables'	=> [
+				$this->table_prefix . 'notification_push' => [
+					'COLUMNS'	=> [
+						'notification_type_id'	=> ['USINT', 0],
+						'item_id'				=> ['ULINT', 0],
+						'item_parent_id'		=> ['ULINT', 0],
+						'user_id'				=> ['ULINT', 0],
+					],
+					'PRIMARY_KEY' => ['notification_type_id', 'item_id', 'item_parent_id', 'user_id'],
+				],
+			],
+		];
+	}
+
+	public function revert_schema(): array
+	{
+		return [
+			'drop_tables' => [$this->table_prefix . 'notification_push'],
+		];
+	}
+}