Unfortunately there's still no proper "upgrade" command for cask, there's a lengthy discussion on how to deal with that on their issue tracker [0] though. For n

Unfortunately there's still no proper "upgrade" command for cask, there's a lengthy discussion on how to deal with that on their issue tracker [0] though. For now you'll still have to rely on a workaround. Currently I'm using an alias to clear the old binary and download the new one. [1] [0] https://github.com/caskroom/homebrew-cask/issues/309 https://github.com/caskroom/homebrew-cask/issues/309 [1] https://blog.notmyhostna.me/make-calibre-updates-less-annoying/ https://blog.notmyhostna.me/make-calibre-updates-less-annoyi...