diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7765ffd..89ea3ee 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -204,7 +204,7 @@ jobs:
       - name: Install LLVM and Clang
         uses: KyleMayes/install-llvm-action@v2
         with:
-          version: "10.0"
+          version: "21.1"
 
       - name: Caching Step
         id: cache-step