Another workaround solution to upgrade installed cask Update Homebrew Cask and verify installed applications versions with Casks to perform an upgrade The app prompt to update only if the Cask contain a version number and the installed app version can be retrieved.
Application are uninstalled and resintalled with brew cask
https://github.com/atika/brew-cask-upgrade
- cask-upgrade : prompt each time it encouter an update to install it
- cask-upgrade auto : will upgrade applications automatically
- cask-upgrade atom : will search for an application called atom and upgrade it