diff --git a/package-lock.json b/package-lock.json
index b1a52e5..f879b4b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -36,6 +36,7 @@
         "electron": "^27.1.3",
         "electron-builder": "^24.9.1",
         "electron-icon-builder": "^2.0.1",
+        "esbuild": "^0.21.5",
         "jsdom": "^29.1.1",
         "postcss": "^8.4.32",
         "sharp": "^0.35.3",
diff --git a/package.json b/package.json
index ba9fa89..790f8f4 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,8 @@
     "dev:electron": "wait-on http://localhost:3000 && electron .",
     "build": "npm run build:vite && npm run build:electron",
     "build:vite": "vite build",
-    "build:electron": "tsc -p tsconfig.main.json",
+    "build:electron": "tsc -p tsconfig.main.json && npm run build:preload",
+    "build:preload": "esbuild electron/preload.ts --bundle --platform=browser --format=iife --external:electron --outfile=dist/preload.js",
     "build:icons": "node scripts/build-icons.js",
     "test": "vitest run",
     "test:watch": "vitest",
@@ -52,6 +53,7 @@
     "electron": "^27.1.3",
     "electron-builder": "^24.9.1",
     "electron-icon-builder": "^2.0.1",
+    "esbuild": "^0.21.5",
     "jsdom": "^29.1.1",
     "postcss": "^8.4.32",
     "sharp": "^0.35.3",