diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 1e1d1a5..7b158d6 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -4,7 +4,7 @@ on: [push]
 
 jobs:
   checkout:
-    runs-on: ubuntu-latest
+    runs-on: latex-latest
     steps:
       - uses: actions/checkout@v3
       - name: compile