diff --git a/package.json b/package.json
index 0c6e480b..24cb1e6f 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "rimraf": "^2.5.2",
     "source-map-loader": "^0.1.5",
     "style-loader": "^0.13.0",
-    "ts-helper": "0.0.1",
+    "ts-helpers": "1.1.1",
     "tslint-loader": "^2.1.3",
     "typedoc": "^0.3.12",
     "url-loader": "^0.5.7"