GH-EXTENSION-UPGRADE(1) GitHub CLI manual GH-EXTENSION-UPGRADE(1) NAME gh-extension-upgrade - Upgrade installed extensions SYNOPSIS gh extension upgrade { | --all} [flags] OPTIONS --all Upgrade all extensions --dry-run Only display upgrades --force Force upgrade extension EXIT CODES 0: Successful execution 1: Error 2: Command canceled 4: Authentication required NOTE: Specific commands may have additional exit codes. Refer to the command's help for more information. SEE ALSO gh-extension(1) Apr 2026 GH-EXTENSION-UPGRADE(1)