How to update php to 7.4?

[Biswajit]

Hello, In my vestaCP current version of php is 7.0.33. Following is the output when I run "php -v"

Code: Select all

PHP 7.0.33-0ubuntu0.16.04.16 (cli) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies
    with Zend OPcache v7.0.33-0ubuntu0.16.04.16, Copyright (c) 1999-2017, by Zend Technologies

In my WordPress dashboard showing warning and recommending to update my php version. How can I do it? Any step by step guide will be more helpful.
Ask me If I should provide more info.

[grayfolk]

In my WordPress dashboard showing warning and recommending to update my php version.

You can ignore this.