diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c456444..c9912e4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Install BLAS and LAPACK
         run: pacman -S --noconfirm mingw-w64-ucrt-x86_64-openblas mingw-w64-ucrt-x86_64-lapack
       - name: Build
-        run: bundle exec rake compile
+        run: bundle exec rake compile -- --with-opt-lib="C:\msys64\ucrt64\lib" --with-opt-include="C:\msys64\ucrt64\include\openblas"
       - name: Run test
         run: bundle exec rake test
   build-mac: