diff --git a/types/animejs/index.d.ts b/types/animejs/index.d.ts
index e58380cb82..70fa6b7375 100644
--- a/types/animejs/index.d.ts
+++ b/types/animejs/index.d.ts
@@ -2,6 +2,7 @@
 // Project: http://animejs.com
 // Definitions by: Andrew Babin <https://github.com/A-Babin>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.4
 
 type FunctionBasedParamter = (element : HTMLElement, index : number, length : number) => number;
 type AnimeCallbackFunction = (anim : anime.AnimeInstance) => void;
@@ -138,4 +139,4 @@ declare namespace anime {
 declare function anime(params : anime.AnimeParams) : anime.AnimeInstance;
 
 export = anime;
-export as namespace anime;
\ No newline at end of file
+export as namespace anime;