diff --git a/react-datagrid/react-datagrid.d.ts b/react-datagrid/react-datagrid.d.ts
index aca7d355e..1dc5d8361 100644
--- a/react-datagrid/react-datagrid.d.ts
+++ b/react-datagrid/react-datagrid.d.ts
@@ -4,6 +4,7 @@
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 /// <reference path="../react/react.d.ts"/>
+/// <reference path="../es6-promise/es6-promise.d.ts"/>
 
 declare module "react-datagrid" {
     import DataGrid = ReactDataGrid.DataGrid;