diff --git a/types/webtorrent/index.d.ts b/types/webtorrent/index.d.ts
index 45325a9afa..20af103b0b 100644
--- a/types/webtorrent/index.d.ts
+++ b/types/webtorrent/index.d.ts
@@ -160,6 +160,8 @@ declare namespace WebTorrent {
 
         readonly downloaded: number;
 
+        readonly progress: number;
+
         select(): void;
 
         deselect(): void;