diff --git a/phpBB/phpbb/db/migration/data/v400/rename_auth_role_id_index.php b/phpBB/phpbb/db/migration/data/v400/rename_auth_role_id_index.php
new file mode 100644
index 0000000000..2b716583be
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v400/rename_auth_role_id_index.php
@@ -0,0 +1,58 @@
+<?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 rename_auth_role_id_index extends migration
+{
+	public static function depends_on()
+	{
+		return [
+			'\phpbb\db\migration\data\v400\dev',
+		];
+	}
+
+	public function update_schema()
+	{
+		return [
+			'drop_keys' => [
+				$this->table_prefix . 'acl_users' => [
+					'auth_role_id',
+				],
+			],
+			'add_index'	=> [
+				$this->table_prefix . 'acl_users' => [
+					'usr_auth_role_id'	=> ['auth_role_id'],
+				],
+			],
+		];
+	}
+
+	public function revert_schema()
+	{
+		return [
+			'drop_keys' => [
+				$this->table_prefix . 'acl_users' => [
+					'usr_auth_role_id',
+				],
+			],
+			'add_index'	=> [
+				$this->table_prefix . 'acl_users' => [
+					'auth_role_id'	=> ['auth_role_id'],
+				],
+			],
+		];
+	}
+}