The best practice for upgrading packages is to first check the release notes for any breaking changes that may occur when upgrading. If there are any breaking changes, you should plan to update your code accordingly. Additionally, you should test the upgrade locally before pushing to production.
If you are using a package manager such as Composer, you can use the composer update command to update all of your packages at once. This command will check for any available updates and install them. You can also specify a particular package to update by using the composer update <package-name> command.
It is also important to keep your packages up to date with the latest version of Laravel. You can use the composer create-project command to create a new project with the latest version of Laravel and then copy over your code from the old project.
Finally, you should consider using a tool such as Laravel Shift to automate the process of upgrading your packages. Laravel Shift can detect any outdated packages and automatically upgrade them to the latest version. This can save you a lot of time and effort.