diff --git a/types/react-youtube-embed/index.d.ts b/types/react-youtube-embed/index.d.ts
index 28088b4de3..9fcb2f81cb 100644
--- a/types/react-youtube-embed/index.d.ts
+++ b/types/react-youtube-embed/index.d.ts
@@ -2,6 +2,7 @@
 // Project: https://github.com/escaladesports/react-youtube-embed#readme
 // Definitions by: Charles Salmon <https://github.com/charles-salmon>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.6
 
 import * as React from "react";
 
diff --git a/types/react-youtube-embed/tsconfig.json b/types/react-youtube-embed/tsconfig.json
index 0daaa332ed..eb57aecf6c 100644
--- a/types/react-youtube-embed/tsconfig.json
+++ b/types/react-youtube-embed/tsconfig.json
@@ -5,6 +5,7 @@
         "noImplicitAny": true,
         "noImplicitThis": true,
         "strictNullChecks": true,
+        "strictFunctionTypes": true,
         "baseUrl": "../",
         "jsx": "react",
         "typeRoots": ["../"],