diff --git a/README.md b/README.md
index 40b9098..0cb04db 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
 # PhotoShare
+
+[![Greenkeeper badge](https://badges.greenkeeper.io/zerolethanh/PhotoShare.svg)](https://greenkeeper.io/)
 @2015 - IE4A2班 - 卒制
 https://photoshare.space
diff --git a/package.json b/package.json
index 8b7c633..cd389fa 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "gulp": "^3.8.8"
   },
   "dependencies": {
-    "laravel-elixir": "^3.0.0",
+    "laravel-elixir": "^5.0.0",
     "bootstrap-sass": "^3.0.0"
   }
 }