Updating cross-env

package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "babel-polyfill": "^6.26.0",
     "bootstrap-sass": "^3.3.7",
-    "cross-env": "^5.1.3",
+    "cross-env": "^5.2.0",
     "eslint": "^4.15.0",
     "eslint-config-airbnb-base": "^12.0.2",
     "eslint-plugin-import": "^2.8.0",