diff --git a/.gitea/workflows/build-production-docker.yml b/.gitea/workflows/build-production-docker.yml
index 05ca271..a67e285 100644
--- a/.gitea/workflows/build-production-docker.yml
+++ b/.gitea/workflows/build-production-docker.yml
@@ -14,7 +14,9 @@ jobs:
       IMAGE_SIZE_LIMIT_BYTES: 500000000
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        run: |
+          set -euo pipefail
+          git clone --depth 1 --branch "${GITHUB_REF_NAME:-main}" "${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git" .
 
       - name: Validate ECR configuration
         run: |