diff --git a/.gitea/workflows/dockerfile_runner.yaml b/.gitea/workflows/dockerfile_runner.yaml
index 843e5e8..47ecc4d 100644
--- a/.gitea/workflows/dockerfile_runner.yaml
+++ b/.gitea/workflows/dockerfile_runner.yaml
@@ -31,6 +31,8 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@v4
         clean: false
+        fetch-depth: 1
+        ref: 'main'
 
 #      - name: Manually check out repository code
 #        run: cd ${{ gitea.workspace }} ; git pull origin main