npm update

package.json

@@ -10,9 +10,9 @@
     "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --no-progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
   },
   "devDependencies": {
-    "cross-env": "^5.1",
-    "laravel-mix": "^2.0",
-    "less": "^3.8.1",
+    "cross-env": "^5.2.0",
+    "laravel-mix": "^2.1.14",
+    "less": "^3.9.0",
     "less-loader": "^4.1.0"
   }
 }