diff --git a/types/node-xlsx/index.d.ts b/types/node-xlsx/index.d.ts
index 45c1173be3..bd500d8a4e 100644
--- a/types/node-xlsx/index.d.ts
+++ b/types/node-xlsx/index.d.ts
@@ -25,7 +25,7 @@ export declare function parse(
  * @returns returns a buffer of worksheets
  */
 export declare function build(
-    worksheets: Array<{ name: string; data: Array<any[]> }>,
+    worksheets: Array<{ name: string; data: any[][] }>,
     options?: {}
 ): ArrayBuffer;
 declare const _default: {