diff --git a/.gitea/workflows/009_matrix.yaml b/.gitea/workflows/009_matrix.yaml
index 00d14c7..33e5ee1 100644
--- a/.gitea/workflows/009_matrix.yaml
+++ b/.gitea/workflows/009_matrix.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-22.04, ubuntu-24.04]
+        os: [ubuntu-20.04, ubuntu-22.04]
         python-version: ['3.12']
     runs-on: ${{ matrix.os }}
     steps: