Upgrade Next.js to the latest version following official migration guides and codemods
Upgrade Next.js
Upgrade the current project to the latest Next.js version following official migration guides.
Instructions
-
Detect current version: Read
package.jsonto identify the current Next.js version and related dependencies (React, React DOM, etc.) -
Fetch the latest upgrade guide: Use WebFetch to get the official upgrade documentation:
- Codemods: https://nextjs.org/docs/app/guides/upgrading/codemods
- Version-specific guides (adjust version as needed):
-
Determine upgrade path: Based on current version, identify which migration steps apply. For major version jumps, upgrade incrementally (e.g., 13 → 14 → 15).
-
Run codemods first: Next.js provides codemods to automate breaking changes:
npx @next/codemod@latest <transform> <path>Common transforms:
next-async-request-api- Updates async Request APIs (v15)next-request-geo-ip- Migrates geo/ip properties (v15)next-dynamic-access-named-export- Transforms dynamic imports (v15)
-
Update dependencies: Upgrade Next.js and peer dependencies together:
npm install next@latest react@latest react-dom@latest -
Review breaking changes: Check the upgrade guide for manual changes needed:
- API changes (e.g., async params in v15)
- Configuration changes in
next.config.js - Deprecated features being removed
-
Update TypeScript types (if applicable):
npm install @types/react@latest @types/react-dom@latest -
Test the upgrade:
- Run
npm run buildto check for build errors - Run
npm run devand test key functionality
- Run
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