# Node version requirement

**semantic-release** is written using the latest [ECMAScript 2017](https://www.ecma-international.org/publications/standards/Ecma-262.htm) features, without transpilation which requires **requires Node version 10 or higher**.

**semantic-release** is meant to be used in a CI environment as a development support tool, not as a production dependency. Therefore the only constraint is to run the `semantic-release` in a CI environment providing Node 8 or higher.

See our [Node Support Policy](/semantic-release/next/support/node-support-policy.md) for our long-term promise regarding Node version support.

## Recommended solution

### Run at least one CI job with Node >= 10.18

The recommended approach is to run the `semantic-release` command from a CI job running on Node 10.18 or higher. This can either be a job used by your project to test on Node >= 10.18 or a dedicated job for the release steps.

See [CI configuration](/semantic-release/next/usage/ci-configuration.md) and [CI configuration recipes](/semantic-release/next/recipes/recipes.md#ci-configurations) for more details.

## Alternative solutions

### Use `npx`

`npx` is included with npm >= 5.2 and can be used to download the latest [Node 8 package published on npm](https://www.npmjs.com/package/node). Use it to execute the `semantic-release` command.

```bash
$ npx -p node@8 -c "npx semantic-release"
```

**Note:**: See [What is npx](/semantic-release/next/support/faq.md#what-is-npx) for more details.

### Use `nvm`

If your CI environment provides [nvm](https://github.com/creationix/nvm) you can use it to switch to Node 8 before running the `semantic-release` command.

```bash
$ nvm install 8 && npx semantic-release
```


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