Node.js 18 is being deprecated on August 1, 2025

Following the Node.js 18 end of life on April 30, 2025, we are deprecating Node.js 18 for Builds and Functions on August 1, 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 18?

On August 1, 2025, Node.js 18 will be disabled in project settings. Existing projects using 18 as the version for Functions will display an error when a new deployment is created.

How can I upgrade my Node.js version?

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