diff --git a/index.d.ts b/index.d.ts
index 4cc2a1d..b09d2ed 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -31,6 +31,7 @@ declare module "lottie-react-web" {
     direction?: 1 | -1;
     ariaRole?: string;
     ariaLabel?: string;
+    tabIndex?: string | number;
     title?: string;
 
     // Not documented