Jul 6, 2015 Fields in 'package.json' for Private and Unlicensed Modules If you not include the license field in package.json, npm will keep bugging you: 12INFO: package.jsonINFO: [email protected]0.1.8 No license field. If your module is private, just add the following two fields to package.json: 1234{ "license": "UNLICENSED", "private": true} See NPM package.json license.