diff --git a/packages/renderer/index.d.ts b/packages/renderer/index.d.ts
index af356cba4..c46b620b5 100644
--- a/packages/renderer/index.d.ts
+++ b/packages/renderer/index.d.ts
@@ -214,8 +214,8 @@ declare namespace ReactPDF {
      * @see https://react-pdf.org/advanced#debugging
      */
     debug?: boolean;
-    href?: string;
-    src?: string;
+    href?: number | string;
+    src?: number | string;
   }
 
   /**