diff --git a/types/graphql-react/index.d.ts b/types/graphql-react/index.d.ts
index 13ee68b33b..1b27bc9014 100644
--- a/types/graphql-react/index.d.ts
+++ b/types/graphql-react/index.d.ts
@@ -2,6 +2,7 @@
 // Project: https://github.com/jaydenseric/graphql-react#readme
 // Definitions by: Mike Marcacci <https://github.com/mike-marcacci>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.6
 
 import { ReactNode, Context } from "react";