diff --git a/index.d.ts b/index.d.ts
index 119400d84..b6edcae49 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -714,6 +714,8 @@ declare namespace Eris {
     proxy_url: string;
     size: number;
     url: string;
+    height?: number;
+    width?: number;
   }
   interface MessageActivity {
     party_id?: string;