updater-license is a lightweight npm package designed to automatically update the license information (year and copyright holder) in your project's LICENSE file. It simplifies maintaining accurate and up-to-date license details by providing a simple command-line interface and API. This tool helps ensure compliance with open-source licensing requirements by streamlining the often-overlooked task of keeping copyright years current, preventing potential legal ambiguity. With easy integration, it's ideal for both new and existing projects.