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Next.js 16+ · Function

updateTag

updateTag expires cached data for a specific tag from a Server Action. The next request waits for fresh data, which helps users see their own writes immediately.

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Syntax

updateTag(tag: string): void;

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  • revalidateTag
  • revalidatePath
  • cacheTag

Source: updateTag | Next.js. Checked 2026-11-03.