diff --git a/threejs/three/package.json b/threejs/three/package.json
index 3ef1e25..67ad238 100644
--- a/threejs/three/package.json
+++ b/threejs/three/package.json
@@ -34,7 +34,7 @@
   "description": "JavaScript 3D library",
   "devDependencies": {
     "concurrently": "^4.0.1",
-    "electron": "^3.0.8",
+    "electron": "^9.1.0",
     "eslint": "^5.9.0",
     "eslint-config-mdcs": "^4.2.3",
     "eslint-plugin-html": "^5.0.0",