diff --git a/MACOS-APP/package-lock.json b/MACOS-APP/package-lock.json
index c5c41d5..632397e 100644
--- a/MACOS-APP/package-lock.json
+++ b/MACOS-APP/package-lock.json
@@ -10,7 +10,6 @@
       "license": "MIT",
       "dependencies": {
         "chokidar": "^4.0.1",
-        "electron": "^33.2.1",
         "minimist": "^1.2.8",
         "readdirp": "^4.0.2"
       },
@@ -18,7 +17,7 @@
         "nfd2nfc": "normalize.js"
       },
       "devDependencies": {
-        "electron": "^33.2.1",
+        "electron": "^39.8.5",
         "electron-installer-dmg": "^5.0.1",
         "electron-packager": "^17.1.2"
       }
@@ -324,13 +323,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "20.17.10",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.17.10.tgz",
-      "integrity": "sha512-/jrvh5h6NXhEauFFexRin69nA0uHJ5gwk4iDivp/DeoEua3uwCUto6PC86IpRITBOs4+6i2I56K5x5b6WYGXHA==",
+      "version": "22.19.17",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.17.tgz",
+      "integrity": "sha512-wGdMcf+vPYM6jikpS/qhg6WiqSV/OhG+jeeHT/KlVqxYfD40iYJf9/AE1uQxVWFvU7MipKRkRv8NSHiCGgPr8Q==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.19.2"
+        "undici-types": "~6.21.0"
       }
     },
     "node_modules/@types/responselike": {
@@ -792,15 +791,15 @@
       }
     },
     "node_modules/electron": {
-      "version": "33.2.1",
-      "resolved": "https://registry.npmjs.org/electron/-/electron-33.2.1.tgz",
-      "integrity": "sha512-SG/nmSsK9Qg1p6wAW+ZfqU+AV8cmXMTIklUL18NnOKfZLlum4ZsDoVdmmmlL39ZmeCaq27dr7CgslRPahfoVJg==",
+      "version": "39.8.5",
+      "resolved": "https://registry.npmjs.org/electron/-/electron-39.8.5.tgz",
+      "integrity": "sha512-q6+LiQIcTadSyvtPgLDQkCtVA9jQJXQVMrQcctfOJILh6OFMN+UJJLRkuUTy8CZDYeCIBn1ZycqsL1dAXugxZA==",
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
         "@electron/get": "^2.0.0",
-        "@types/node": "^20.9.0",
+        "@types/node": "^22.7.7",
         "extract-zip": "^2.0.1"
       },
       "bin": {
@@ -2643,9 +2642,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.19.8",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
-      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "version": "6.21.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/MACOS-APP/package.json b/MACOS-APP/package.json
index c6b5058..7682b14 100644
--- a/MACOS-APP/package.json
+++ b/MACOS-APP/package.json
@@ -5,7 +5,7 @@
   "description": "Convert NFD to NFC",
   "dependencies": {
     "chokidar": "^4.0.1",
-    "electron": "^33.2.1",
+    "electron": "^39.8.5",
     "minimist": "^1.2.8",
     "readdirp": "^4.0.2"
   },
@@ -39,7 +39,7 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "electron": "^33.2.1",
+    "electron": "^39.8.5",
     "electron-installer-dmg": "^5.0.1",
     "electron-packager": "^17.1.2"
   },