diff --git a/.gitea/workflows/pipeline.yaml b/.gitea/workflows/pipeline.yaml
index abb3e5e..b3fe8ca 100644
--- a/.gitea/workflows/pipeline.yaml
+++ b/.gitea/workflows/pipeline.yaml
@@ -4,7 +4,7 @@ on: [push]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python 3.10