diff --git a/types/ember__test-helpers/index.d.ts b/types/ember__test-helpers/index.d.ts
index 067222b425..bd7720e3b1 100644
--- a/types/ember__test-helpers/index.d.ts
+++ b/types/ember__test-helpers/index.d.ts
@@ -2,8 +2,9 @@
 // Project: https://github.com/emberjs/ember-test-helpers
 // Definitions by: Dan Freeman <https://github.com/dfreeman>
 //                 James C. Davis <https://github.com/jamescdavis>
+//                 Mike North <https://github.com/mike-north>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.6
+// TypeScript Version: 2.8
 
 /// <reference types="ember" />