diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index e8cdc42..13c4121
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "dependencies": {
         "uglify-js": "1.3.4",
         "jade": "0.26.1",
-        "express": "2.5.9",
+        "express": "4.20.0",
         "colors": "= 0.6.0-1",
         "source-map": ">= 0.1.3",
         "optimist": ">= 0.3.5",