diff --git a/.gitea/workflows/clang-format.yaml b/.gitea/workflows/clang-format.yaml
index 3c3b5ff..e906a7d 100644
--- a/.gitea/workflows/clang-format.yaml
+++ b/.gitea/workflows/clang-format.yaml
@@ -3,7 +3,7 @@ on: [push, pull_request]
 jobs:
   formatting-check:
     name: Formatting Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         path: