diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0811967b..b846293b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,9 +2,6 @@ name: Build
 
 on: pull_request
 
-env:
-  AWS_REGION: us-east-1
-
 jobs:
   build:
     strategy:
@@ -17,6 +14,16 @@ jobs:
       - name: Check out Git repository
         uses: actions/checkout@v4
 
+      - name: Test Upload build
+        env:
+          BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
+          S3_ENDPOINT: ${{ secrets.S3_ENDPOINT }}
+          S3_ACCESS_KEY: ${{ secrets.S3_ACCESS_KEY }}
+          S3_SECRET_ACCESS_KEY: ${{ secrets.S3_SECRET_ACCESS_KEY }}
+          S3_BUILDS_BUCKET_NAME: ${{ secrets.S3_BUILDS_BUCKET_NAME }}
+          BUILD_WEBHOOK_URL: ${{ secrets.BUILD_WEBHOOK_URL }}
+        run: node scripts/upload-build.cjs
+
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:
diff --git a/package.json b/package.json
index 7d17cd91..74c25f56 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "start": "electron-vite preview",
     "dev": "electron-vite dev",
     "build": "npm run typecheck && electron-vite build",
-    "postinstall": "electron-builder install-app-deps && node ./postinstall.cjs",
+    "postinstall": "electron-builder install-app-deps && node ./scripts/postinstall.cjs",
     "build:unpack": "npm run build && electron-builder --dir",
     "build:win": "electron-vite build && electron-builder --win",
     "build:mac": "electron-vite build && electron-builder --mac",
@@ -78,6 +78,7 @@
     "zod": "^3.23.8"
   },
   "devDependencies": {
+    "@aws-sdk/client-s3": "^3.705.0",
     "@commitlint/cli": "^19.5.0",
     "@commitlint/config-conventional": "^19.5.0",
     "@electron-toolkit/eslint-config-prettier": "^2.0.0",
diff --git a/postinstall.cjs b/postinstall.cjs
deleted file mode 100644
index 25d27c0a..00000000
--- a/postinstall.cjs
+++ /dev/null
@@ -1,49 +0,0 @@
-const { default: axios } = require("axios");
-const util = require("node:util");
-const fs = require("node:fs");
-const path = require("node:path");
-
-const exec = util.promisify(require("node:child_process").exec);
-
-const fileName = {
-  win32: "ludusavi-v0.25.0-win64.zip",
-  linux: "ludusavi-v0.25.0-linux.zip",
-  darwin: "ludusavi-v0.25.0-mac.zip",
-};
-
-const downloadLudusavi = async () => {
-  if (fs.existsSync("ludusavi")) {
-    console.log("Ludusavi already exists, skipping download...");
-    return;
-  }
-
-  const file = fileName[process.platform];
-  const downloadUrl = `https://github.com/mtkennerly/ludusavi/releases/download/v0.25.0/${file}`;
-
-  console.log(`Downloading ${file}...`);
-
-  const response = await axios.get(downloadUrl, { responseType: "stream" });
-
-  const stream = response.data.pipe(fs.createWriteStream(file));
-
-  stream.on("finish", async () => {
-    console.log(`Downloaded ${file}, extracting...`);
-
-    const pwd = process.cwd();
-
-    const targetPath = path.join(pwd, "ludusavi");
-
-    await exec(`npx extract-zip ${file} ${targetPath}`);
-
-    if (process.platform !== "win32") {
-      fs.chmodSync(path.join(targetPath, "ludusavi"), 0o755);
-    }
-
-    console.log("Extracted. Renaming folder...");
-
-    console.log(`Extracted ${file}, removing compressed downloaded file...`);
-    fs.rmSync(file);
-  });
-};
-
-downloadLudusavi();