diff --git a/task-for-development/package.json b/task-for-development/package.json
index 32c539f..5128ba4 100644
--- a/task-for-development/package.json
+++ b/task-for-development/package.json
@@ -28,7 +28,7 @@
     "bootstrap": "^3.3.7",
     "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"
   },