diff --git a/.github/workflows/push_container.yaml b/.github/workflows/push_container.yaml
index ba61a9a..85360f6 100644
--- a/.github/workflows/push_container.yaml
+++ b/.github/workflows/push_container.yaml
@@ -41,6 +41,7 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v4
         with:
+          submodules: recursive
           persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal token
           fetch-depth: 0 # otherwise, you will fail to push refs to dest repo