diff --git a/samples/features/json/angularjs/dotnet-tour-of-heroes/package.json b/samples/features/json/angularjs/dotnet-tour-of-heroes/package.json
index 30fff35aee..a4e7b3b773 100644
--- a/samples/features/json/angularjs/dotnet-tour-of-heroes/package.json
+++ b/samples/features/json/angularjs/dotnet-tour-of-heroes/package.json
@@ -30,7 +30,7 @@
     "reflect-metadata": "^0.1.8",
     "rxjs": "5.0.0-beta.12",
     "systemjs": "0.19.39",
-    "zone.js": "^0.6.25"
+    "zone.js": "^0.15.0"
   },
   "devDependencies": {
     "gulp": "^3.9.1",