update dependencies

package.json

@@ -29,12 +29,12 @@
     "carrier": "~0.1.8",
     "commander": "~1.1.1",
     "readable-stream": "~1.0.0",
-    "request": "~2.16.0",
+    "request": "~2.21.0",
     "xtend": "~2.0.3",
     "deep-equal": "0.0.0"
   },
   "devDependencies": {
-    "mocha": "~1.7.4",
+    "mocha": "~1.11.0",
     "should": "~1.2.1"
   },
   "engines": {