.nh .TH "GH-EXTENSION-UPGRADE" "1" "Oct 2024" "GitHub CLI 2.58.0" "GitHub CLI manual" .SH NAME gh-extension-upgrade - Upgrade installed extensions .SH SYNOPSIS \fBgh extension upgrade { | --all} [flags]\fR .SH OPTIONS .TP \fB--all\fR Upgrade all extensions .TP \fB--dry-run\fR Only display upgrades .TP \fB--force\fR Force upgrade extension .SH EXIT CODES 0: Successful execution .PP 1: Error .PP 2: Command canceled .PP 4: Authentication required .PP NOTE: Specific commands may have additional exit codes. Refer to the command's help for more information. .SH SEE ALSO \fBgh-extension(1)\fR