Node.js 18 being deprecated on September 1, 2025
Node.js 18 support is being deprecated for Vercel Builds and Functions effective September 1, 2025, following the upstream Node.js 18 end-of-life date. Existing deployments will continue to work, but new deployments using Node.js 18 will fail unless upgraded.
Following the Node.js 18 end of life on April 30, 2025, we are deprecating Node.js 18 for Builds and Functions on September 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 September 1, 2025, Node.js 18 will be disabled in . Existing projects using 18 as the version for Functions will display an error when a new deployment is created.project settings
How can I upgrade my Node.js version?
You can configure your Node.js version in or through the field in .project settingsenginespackage.json
How can I see which of my projects are affected?
You can see which of your projects are affected by this deprecation with:
Source: original entry ↗
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