server-tools/password_security/demo/res_users.xml

<?xml version="1.0" encoding="UTF-8"?>

<!--
    Copyright 2016 LasLabs Inc.
    License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
-->

<odoo>

    <record id="base.user_root" model="res.users">
        <field name="password_write_date"
               eval="datetime.now()"
               />
    </record>

</odoo>