diff --git a/index.d.ts b/index.d.ts
index f48b4b1c0..dfeb93f2f 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -316,7 +316,7 @@ declare namespace Eris {
     title?: string;
     description?: string;
     url?: string;
-    timestamp?: string;
+    timestamp?: Date | string;
     color?: number;
     footer?: { text: string; icon_url?: string; proxy_icon_url?: string };
     image?: { url?: string; proxy_url?: string; height?: number; width?: number };