diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 927947d..c759722 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -8,5 +8,7 @@ jobs:
     container:
       image: aergus/latex
     steps:
+      - name: check out repo
+        uses: actions/checkout@v3
       - name: Set up Git repository
         run: latexmk main.tex