diff --git a/types/index.d.ts b/types/index.d.ts
index 8a9553073..68c792fe5 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -1049,7 +1049,7 @@ declare module "jspdf" {
       func: (jsPDFInstance: jsPDF, pages: number) => number[]
     ): jsPDF;
     getTextDimensions(
-      text: string,
+      text: string | number | string[],
       options?: {
         font?: string;
         fontSize?: number;