diff --git a/types/arcgis-js-api/index.d.ts b/types/arcgis-js-api/index.d.ts
index cb4da19863..28e51384c9 100644
--- a/types/arcgis-js-api/index.d.ts
+++ b/types/arcgis-js-api/index.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Esri <https://github.com/Esri>
 //                 Bjorn Svensson <https://github.com/bsvensson>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.7
 
 
 interface HashMap<T = any> {