diff --git a/.github/workflows/clang-format-check.yml b/.github/workflows/clang-format-check.yml
index 2b3216a0e7..962845a9b7 100644
--- a/.github/workflows/clang-format-check.yml
+++ b/.github/workflows/clang-format-check.yml
@@ -2,7 +2,7 @@ name: clang-format Check
 on: [push, pull_request]
 jobs:
   clang-format-checking:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - uses: RafikFarhad/clang-format-github-action@v3