Update dependencies

package.json

@@ -7,7 +7,7 @@
   },
   "dependencies": {
     "phantomas": "1.6.0",
-    "express": "~4.9.0",
+    "express": "~4.9.4",
     "async": "~0.9.0",
     "socket.io": "~1.1.0",
     "body-parser": "~1.8.0",
@@ -19,7 +19,7 @@
     "matchdep": "^0.3.0",
     "grunt-mocha-test": "^0.11.0",
     "grunt-contrib-clean": "^0.6.0",
-    "grunt-contrib-copy": "^0.5.0",
+    "grunt-contrib-copy": "^0.6.0",
     "grunt-blanket": "0.0.8",
     "chai": "^1.9.1",
     "mocha": "^1.21.4",