# @babel/runtime-corejs2 > babel's modular runtime helpers with core-js@2 polyfilling See our website [@babel/runtime-corejs2](https://babeljs.io/docs/en/next/babel-runtime-corejs2.html) for more information. ## Install Using npm: ```sh npm install --save-dev @babel/runtime-corejs2 ``` or using yarn: ```sh yarn add @babel/runtime-corejs2 --dev ```