diff --git a/.github/workflows/docker.rust.yml b/.github/workflows/docker.rust.yml
index 28276b8..d2f341a 100644
--- a/.github/workflows/docker.rust.yml
+++ b/.github/workflows/docker.rust.yml
@@ -36,6 +36,8 @@ jobs:
 
       - name: Checkout repository
         uses: actions/checkout@v3
+        with:
+          submodules: true
 
       # Workaround: https://github.com/docker/build-push-action/issues/461
       - name: Setup Docker buildx