diff --git a/.github/workflows/osx.yml b/.github/workflows/osx.yml
index d4283ab8..dc9f1ab9 100644
--- a/.github/workflows/osx.yml
+++ b/.github/workflows/osx.yml
@@ -25,6 +25,16 @@ jobs:
 
     steps:
 
+    - name: Set up LLVM 16
+      uses: actions/setup-llvm@v2
+      run: |
+        echo "CC=clang" >> $GITHUB_ENV
+        echo "CXX=clang++" >> $GITHUB_ENV
+      with:
+        # The version of LLVM we use is the one present on conda-forge.
+        # See: https://github.com/conda-forge/conda-forge-pinning-feedstock/blob/main/recipe/conda_build_config.yaml#L32
+        llvm-version: 16
+
     - name: Checkout code
       uses: actions/checkout@v3