How can I upgrade my nextjs version in an existing project

[hallow swift]

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[brisk summit]

Hi @hallow swift. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:

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To upgrade your Next.js version in an existing project, you can follow these steps:

1. First, ensure you're using a compatible Node.js version. As of Next.js 14, the minimum required Node.js version is 18.17. You can check this in the App Router Migration Guide.

2. To update to the latest stable version of Next.js, run one of the following commands depending on your package manager:

   npm i next@latest react@latest react-dom@latest
   

   or

   yarn add next@latest react@latest react-dom@latest
   

   or

   pnpm i next@latest react@latest react-dom@latest
   

   or

   bun add next@latest react@latest react-dom@latest
   

3. If you're using ESLint, you should also update your ESLint configuration:

   npm install -D eslint-config-next@latest
   

4. If you're using TypeScript, make sure to also upgrade @types/react and @types/react-dom to their latest versions.

After upgrading, it's important to review the changelog and upgrade guide for the specific version you're upgrading to, as there might be breaking changes or new features that require additional steps.

For more detailed information on upgrading, you can refer to the following resources:

• App Router Migration Guide
• Upgrading from Pages to App

Remember to test your application thoroughly after upgrading to ensure everything works as expected with the new version.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: