diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 5965e40..002416c
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "devDependencies": {
         "@ionic/app-scripts": "1.0.0",
         "@types/mathjs": "~3.21.1",
-        "electron": "^1.6.2",
+        "electron": "^9.1.0",
         "electron-packager": "^8.6.0",
         "typescript": "~2.0.9"
     },