diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a165a54..7832089 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -153,6 +153,12 @@ jobs:
 
         ${{ matrix.unpackage_command }} ${{ env.llvm_package_basename }}${{ matrix.llvm_package_suffix }}
 
+    - name: Install Newer Clang (Windows, for SPM)
+      if: ${{ runner.os == 'Windows' }}
+      uses: KyleMayes/install-llvm-action@v2
+      with:
+        version: "17"
+    
     - name: Checkout (GitHub)
       uses: actions/checkout@v4
       with: