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..7343913824 100644
--- a/samples/features/json/angularjs/dotnet-tour-of-heroes/package.json
+++ b/samples/features/json/angularjs/dotnet-tour-of-heroes/package.json
@@ -28,7 +28,7 @@
     "bootstrap": "^4.1.2",
     "core-js": "^2.4.1",
     "reflect-metadata": "^0.1.8",
-    "rxjs": "5.0.0-beta.12",
+    "rxjs": "5.5.12",
     "systemjs": "0.19.39",
     "zone.js": "^0.6.25"
   },