brew upgrade

Upgrade outdated formulae and casks. More information: https://docs.brew.sh/Manpage#upgrade-options-outdated_formulaoutdated_cask-.

• Upgrade all outdated casks and formulae:

brew upgrade

• Upgrade a specific formula/cask:

brew upgrade formula|cask

• Print what would be upgraded, but don't actually upgrade anything:

brew upgrade --dry-run