brew --version

brew --version
Homebrew 3.5.2-69-g082a993
Homebrew/homebrew-core (git revision adb4552a948; last commit 2022-06-17)

Related

• brew update

See also

• brew: update | upgrade | autoupdate | install | uninstall | services | list, cask | cleanup | doctor | test | link | unlink | changelog | tap | info | search | install --cask | analytics off | --prefix | --version | brew --help ]
• Homebrew, brew, pkgutil, /opt/homebrew/, installation