Node.js 16 is being deprecated on January 31, 2025

Following the Node.js 16 end of life on September 11, 2023, we are deprecating Node.js 16 for Builds and Functions on January 31, 2025.

Will my existing deployments be affected?

No, existing deployments with Serverless Functions will not be affected.

When will I no longer be able to use Node.js 16?

On January 31, 2025, Node.js 16 will be disabled in project settings. Existing projects using 16 as the version for Functions will display an error when a new deployment is created.

How can I upgrade to Node.js 18?

You can configure your Node.js version in project settings or through the engines field in package.json.

How can I see which of my projects are affected?

You can see which of your projects are affected by this deprecation with:

npm i -g vercel@latest
vercel project ls --update-required