As of version 1.1 it's possible to update Photon automatically.Table of Contents
To automatically update Photon to it's latest bug-fix version run a
php artisan photon:update command.
Note that the scrip won't upgrade you to the latest major or minor version unless you send the force flag like so:
php artisan photon:update --force
Photon CMS project uses Semantic Versioning (Major.Minor.Patch). Automatic upgrade script will be able to help you upgrading to the latest Patch version which are guaranteed not to introduce breaking changes.
However, breaking changes can occur in Minor and Major version upgrades, and some manual work may be needed to sync your Photon CMS installation with the latest version. With each such release a detailed guide with steps you'll need to perform will be published online.