diff --git a/.github/workflows/build-gptk.yml b/.github/workflows/build-gptk.yml
index 56eac51..68a2ec4 100644
--- a/.github/workflows/build-gptk.yml
+++ b/.github/workflows/build-gptk.yml
@@ -10,7 +10,9 @@ jobs:
     runs-on: macos-13
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+        with:
+          submodules: 'true'
       - name: Tap homebrew-apple
         run: brew tap apple/apple http://github.com/Whisky-App/homebrew-apple
       - name: Install taps