Rocket.Chat/server/startup/migrations/v034.js

RocketChat.Migrations.add({
	version: 34,
	up() {
		return RocketChat.models.Settings.update({
			_id: 'Layout_Login_Header',
			value: '<a class="logo" href="/"><img src="/assets/logo/logo.svg?v=3" /></a>'
		}, {
			$set: {
				value: '<a class="logo" href="/"><img src="/assets/logo?v=3" /></a>'
			}
		});
	}
});