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---
id: 587d8247367417b2b2512c36
title: Install and Require Helmet
challengeType: 2
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forumTopicId: 301581
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dashedName: install-and-require-helmet
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---
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# --description--
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Working on these challenges will involve you writing your code using one of the following methods:
- Clone [this GitHub repo ](https://github.com/freeCodeCamp/boilerplate-infosec/ ) and complete these challenges locally.
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- Use [our Replit.com starter project ](https://replit.com/github/freeCodeCamp/boilerplate-infosec ) to complete these challenges.
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- Use a site builder of your choice to complete the project. Be sure to incorporate all the files from our GitHub repo.
When you are done, make sure a working demo of your project is hosted somewhere public. Then submit the URL to it in the `Solution Link` field.
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Helmet helps you secure your Express apps by setting various HTTP headers.
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# --instructions--
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All your code for these lessons goes in the `myApp.js` file between the lines of code we have started you off with. Do not change or delete the code we have added for you.
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Install Helmet version `3.21.3` , then require it. You can install a specific version of a package with `npm install --save-exact package@version` , or by adding it to your `package.json` directly.
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# --hints--
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`helmet` version `3.21.3` should be in `package.json`
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```js
(getUserInput) =>
$.get(getUserInput('url') + '/_api/package.json').then(
(data) => {
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const packJson = JSON.parse(data);
const helmet = packJson.dependencies.helmet;
assert(helmet === '3.21.3' || helmet === '^3.21.3');
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},
(xhr) => {
throw new Error(xhr.responseText);
}
);
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```
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# --solutions--
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```js
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/**
Backend challenges don't need solutions,
because they would need to be tested against a full working project.
Please check our contributing guidelines to learn more.
*/
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```