diff --git a/.github/workflows/build_debian_docker.yml b/.github/workflows/build_debian_docker.yml
index cb2c27e7e..5e64641cd 100644
--- a/.github/workflows/build_debian_docker.yml
+++ b/.github/workflows/build_debian_docker.yml
@@ -15,6 +15,11 @@ jobs:
       image_url_base: "ghcr.io/${{ github.repository_owner }}/${{ github.event.repository.name }}"
 
     steps:
+      - name: Cleanup build folder
+        run: |
+          rm -rf ./* || true
+          rm -rf ./.??* || true
+
       - name: Checkout code
         uses: actions/checkout@v4
         with: