diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index b89d038..43a71a3 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        run: actions/checkout@v4
+        run: actions/checkout@v3
       
       - name: Build Docker image
         run: docker build -t my-image:latest .
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