diff --git a/types/dynogels/index.d.ts b/types/dynogels/index.d.ts
index 4afccc1da0..2e4c5acbf4 100644
--- a/types/dynogels/index.d.ts
+++ b/types/dynogels/index.d.ts
@@ -2,6 +2,7 @@
 // Project: https://github.com/clarkie/dynogels#readme
 // Definitions by: Spartan Labs <https://github.com/SpartanLabs>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.4
 
 /// <reference types="node" />