Change package.json so changed to elixir will be non-breaking changes in versions only.

package.json

@@ -2,6 +2,6 @@
   "private": true,
   "devDependencies": {
     "gulp": "^3.8.8",
-    "laravel-elixir": "*"
+    "laravel-elixir": "~1.0.0"
   }
 }