diff --git a/samples/angular/MusicStore/package.json b/samples/angular/MusicStore/package.json
index 0f9cf0f43f..67a12338c5 100644
--- a/samples/angular/MusicStore/package.json
+++ b/samples/angular/MusicStore/package.json
@@ -11,7 +11,7 @@
     "less": "^2.5.3",
     "lodash": "^3.10.1",
     "reflect-metadata": "^0.1.2",
-    "rxjs": "^5.0.0-beta.0",
+    "rxjs": "5.0.0-beta.0",
     "systemjs": "^0.19.3",
     "traceur": "0.0.91"
   },