.TH "NPM\-VERSION" "3" "October 2016" "" "" .SH "NAME" \fBnpm-version\fR \- Bump a package version .SH SYNOPSIS .P .RS 2 .nf npm\.commands\.version(newversion, callback) .fi .RE .SH DESCRIPTION .P Run this in a package directory to bump the version and write the new data back to the package\.json file\. .P If run in a git repo, it will also create a version commit and tag, and fail if the repo is not clean\. .P Like all other commands, this function takes a string array as its first parameter\. The difference, however, is this function will fail if it does not have exactly one element\. The only element should be a version number\.