diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 018ac9f..34fb016
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "babel-runtime": "^6.26.0",
     "case-sensitive-paths-webpack-plugin": "^2.1.1",
     "copy-webpack-plugin": "^4.2.0",
-    "cross-env": "^5.1.0",
+    "cross-env": "^7.0.2",
     "css-loader": "^0.28.7",
     "eslint": "^4.9.0",
     "eslint-config-airbnb-base": "^12.1.0",