diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 465caa8..0fac0d7 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,11 +10,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest]
         configs: [Release, Debug]
+        compiler: [gcc, clang]
     steps:
     - name: Checkout
       uses: actions/checkout@v2.0.0
     - name: Build and test
+      CC: ${{ matrix.compiler }}
       run: |
         mkdir build && cd build && cmake -DPHMAP_BUILD_TESTS=ON -DPHMAP_BUILD_EXAMPLES=ON -DCMAKE_CXX_COMPILER=${COMPILER} -DCXXFLAGS="${CXX_FLAGS}" .. && cmake --build . && make test