diff --git a/package.json b/package.json
index 2fccdb1..7a68dc6 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,7 @@
     "dev": "tauri --config src/backend/tauri.conf.json dev",
     "build": "tauri --config src/backend/tauri.conf.json build",
     "tauri": "tauri --config src/backend/tauri.conf.json",
+    "release": "node scripts/release.js",
     "test:watch": "bun test --watch test/**/*.test.js"
   },
   "devDependencies": {
diff --git a/scripts/release.js b/scripts/release.js
new file mode 100644
index 0000000..a6cf51a
--- /dev/null
+++ b/scripts/release.js
@@ -0,0 +1,69 @@
+import { execSync } from 'child_process';
+import fs from 'fs';
+import path from 'path';
+
+/**
+ * リリース自動化スクリプト
+ * 1. バージョンのバリデーション
+ * 2. リリースブランチの作成 (release/vX.Y.Z)
+ * 3. 各設定ファイルのバージョン更新
+ * 4. コミット
+ */
+
+const newVersion = process.argv[2];
+
+if (!newVersion || !/^\d+\.\d+\.\d+$/.test(newVersion)) {
+    console.error('❌ Error: 有効なバージョン番号を指定してください (例: 0.2.0)');
+    process.exit(1);
+}
+
+const projectRoot = process.cwd();
+const branchName = `release/v${newVersion}`;
+
+console.log(`🚀 Starting release process for v${newVersion}...`);
+
+try {
+    // 1. ブランチ作成
+    console.log(`\n--- Creating branch: ${branchName} ---`);
+    execSync(`git checkout -b ${branchName}`, { stdio: 'inherit' });
+
+    // 2. package.json の更新
+    console.log('\n--- Updating package.json ---');
+    const pkgPath = path.join(projectRoot, 'package.json');
+    const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf-8'));
+    pkg.version = newVersion;
+    fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2) + '\n');
+    console.log('✅ Updated package.json');
+
+    // 3. src/backend/tauri.conf.json の更新
+    console.log('\n--- Updating tauri.conf.json ---');
+    const tauriPath = path.join(projectRoot, 'src', 'backend', 'tauri.conf.json');
+    const tauri = JSON.parse(fs.readFileSync(tauriPath, 'utf-8'));
+    tauri.version = newVersion;
+    fs.writeFileSync(tauriPath, JSON.stringify(tauri, null, 2) + '\n');
+    console.log('✅ Updated tauri.conf.json');
+
+    // 4. src/backend/Cargo.toml の更新 (regex で置換)
+    console.log('\n--- Updating Cargo.toml ---');
+    const cargoPath = path.join(projectRoot, 'src', 'backend', 'Cargo.toml');
+    let cargo = fs.readFileSync(cargoPath, 'utf-8');
+    cargo = cargo.replace(/^version = ".*?"/m, `version = "${newVersion}"`);
+    fs.writeFileSync(cargoPath, cargo);
+    console.log('✅ Updated Cargo.toml');
+
+    // 5. コミット
+    console.log('\n--- Committing changes ---');
+    execSync('git add .', { stdio: 'inherit' });
+    execSync(`git commit -m "chore: release v${newVersion}"`, { stdio: 'inherit' });
+    console.log(`✅ Committed: chore: release v${newVersion}`);
+
+    console.log(`\n✨ Success! Release branch ${branchName} is ready.`);
+    console.log('Next steps:');
+    console.log(`  1. インストーラーをビルドして最終確認: bun run build`);
+    console.log(`  2. マスターブランチにマージ: git checkout master && git merge ${branchName}`);
+    console.log(`  3. リリースタグを打つ: git tag -a v${newVersion} -m "Release v${newVersion}"`);
+
+} catch (err) {
+    console.error('\n❌ Failed to process release:', err.message);
+    process.exit(1);
+}