diff --git a/.github/workflows/osrm-backend.yml b/.github/workflows/osrm-backend.yml
index 91b312d75..5abbdc86b 100644
--- a/.github/workflows/osrm-backend.yml
+++ b/.github/workflows/osrm-backend.yml
@@ -602,6 +602,9 @@ jobs:
 
   benchmarks:
     runs-on: ubuntu-22.04
+    env:
+      CFLAGS: clang-13
+      CXXCOMPILER: clang++-13
     steps: 
       - name: Checkout PR Branch
         uses: actions/checkout@v3