diff --git a/.github/workflows/windows-alt.yml b/.github/workflows/windows-alt.yml
index f747dfd5d8..fce0184401 100644
--- a/.github/workflows/windows-alt.yml
+++ b/.github/workflows/windows-alt.yml
@@ -56,7 +56,7 @@ jobs:
         uses: KyleMayes/install-llvm-action@v2
         id: clang
         with:
-          version: 17
+          version: 18
           env: true
       - name: Setup CMake
         uses: threeal/cmake-action@v1.3.0