diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 03b8aca33..34f1cd5bc 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -24,4 +24,4 @@ jobs:
       uses: jidicula/clang-format-action@v4.15.0
       with:
         exclude-regex: (libspirv|3rdparty)
-        clang-format-version: 21
+        clang-format-version: 20