diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 853420fc..cf48be4b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -24,6 +24,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - name: Use llvm-clang on macOS
+        if: ${{ runner.os == 'macOS' }}
+        run: |
+          export CC= "$(brew --prefix llvm@15)/bin/clang"
+          export CXX= "$(brew --prefix llvm@15)/bin/clang++"
       - name: Set up Python ${{ matrix.python-version }}
         uses: conda-incubator/setup-miniconda@v3
         with: