diff --git a/packages/next/types/index.d.ts b/packages/next/types/index.d.ts
index 2bee2fba94f..279c8b16201 100644
--- a/packages/next/types/index.d.ts
+++ b/packages/next/types/index.d.ts
@@ -206,7 +206,7 @@ declare global {
     >(
       array: T
     ): T
-    randomUUID(): string
+    randomUUID?(): string
   }
 }