This library is automatically updated daily with new API changes, and tagged weekly. It is installed as part of the Google API PHP Client library via Composer, which will pull down the most recent tag.
If you are currently using the v1-master
branch of the client library, but want to use the latest API services, you can
do so by requiring this library directly into your project via the same composer command:
composer require google/apiclient-services:dev-master