diff --git a/.github/workflows/build_executables.yaml b/.github/workflows/build_executables.yaml
index a0a0e31..25fc594 100644
--- a/.github/workflows/build_executables.yaml
+++ b/.github/workflows/build_executables.yaml
@@ -47,14 +47,6 @@ jobs:
       - name: Install dependencies
         run: npm cache clean --force && npm install
 
-      - name: Resign native binaries with ad-hoc signature
-        if: matrix.os == 'macos-latest'
-        run: |
-          codesign --remove-signature resources/mac/qgenie-api || true
-          codesign --remove-signature resources/mac/qgenie-ai || true
-          codesign --sign - resources/mac/qgenie-api
-          codesign --sign - resources/mac/qgenie-ai
-
       - name: Build the app
         run: npm run build -- --${{ matrix.os == 'macos-latest' && 'mac' || 'win' }}
 
diff --git a/electron-builder.yml b/electron-builder.yml
index 800c387..382f773 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -1,5 +1,6 @@
 appId: com.Queryus.QGenie
 productName: QGenie
+afterPack: ./scripts/afterPack.js
 extraResources:
   - from: 'resources/'
     to: 'resources'
diff --git a/scripts/afterPack.js b/scripts/afterPack.js
new file mode 100644
index 0000000..59d34f2
--- /dev/null
+++ b/scripts/afterPack.js
@@ -0,0 +1,42 @@
+// scripts/afterPack.js
+import { execSync } from 'child_process'
+import path from 'path'
+
+exports.default = async function (context) {
+  const { appOutDir, packager } = context
+  const appName = packager.appInfo.productFilename
+
+  // macOS 빌드일 경우에만 실행
+  if (process.platform !== 'darwin') {
+    return
+  }
+
+  console.log('--- afterPack hook: Resigning native binaries ---')
+
+  // 서명할 실행 파일들의 경로를 지정합니다.
+  const apiPath = path.join(appOutDir, `${appName}.app/Contents/Resources/resources/mac/qgenie-api`)
+  const aiPath = path.join(appOutDir, `${appName}.app/Contents/Resources/resources/mac/qgenie-ai`)
+
+  const binaries = [apiPath, aiPath]
+
+  for (const binaryPath of binaries) {
+    try {
+      console.log(`Removing existing signature from: ${binaryPath}`)
+      execSync(`codesign --remove-signature "${binaryPath}"`)
+    } catch (error) {
+      console.warn(`Could not remove signature from ${binaryPath}: ${error.message}`)
+    }
+
+    try {
+      console.log(`Applying ad-hoc signature to: ${binaryPath}`)
+      // 애드혹 서명을 적용합니다.
+      execSync(`codesign --sign - "${binaryPath}"`)
+      console.log(`Successfully signed: ${binaryPath}`)
+    } catch (error) {
+      console.error(`Failed to sign ${binaryPath}: ${error.message}`)
+      throw error // 서명 실패 시 빌드를 중단
+    }
+  }
+
+  console.log('--- Finished resigning native binaries ---')
+}