diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c843169..b2024c3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,6 +12,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: true
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@v2
         with: