Magento 2.1.3 Make Customer Attribute - module.xml

module.xml

<?xml version="1.0"?>
<!--
  ~ @author     Sashas IT Support <[email protected]>
  ~ @copyright  2017  Sashas IT Support Inc. (http://www.extensions.sashas.org)
  ~ @license     http://opensource.org/licenses/GPL-3.0  GNU General Public License, version 3 (GPL-3.0)
  -->
<config  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
    <module name="Sashas_CustomerAttribute" setup_version="2.0.0">
        <sequence>
        	<module name="Customer"/>
        </sequence>
    </module>
</config>