Upgrade and Downgrade WordPress with WP-CLI

WP-CLI is a set of tools that provides functionality for managing WordPress sites. In this guide we describe the benefits of using WP-CLI and demonstrate several advanced commands that will make your life easier in a WordPress development environment. You can use wp-cli to upgrade or downgrade WordPress to a specific version.

Update to the latest WordPress version:

wp core update

Update to a specific WordPress version:

wp core update --version=5.5.3

Install or downgrade to a specific WordPress version:

wp core update --version=5.5.3 --force

Check the installed WordPress version:

wp core version

Or with extra info:

wp core version --extra