⬆ upgrade

package.json

@@ -25,9 +25,9 @@
   ],
   "devDependencies": {
     "gulp": "^3.9.1",
-    "gulp-clean-css": "^2.0.13",
+    "gulp-clean-css": "^2.4.0",
     "gulp-concat": "2.6.0",
-    "gulp-uglify": "^2.0.0",
+    "gulp-uglify": "^2.1.2",
     "marked": "^0.3.6"
   }
 }