diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 413804e..a031b18 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,4 +22,4 @@ jobs:
         CXX: ${{ matrix.compiler }}
         CXXFLAGS: ${{ matrix.flags }} ${{ matrix.optimize }}
       run: |
-        mkdir build && cd build && cmake -DPHMAP_BUILD_TESTS=ON -DPHMAP_BUILD_EXAMPLES=ON -DCMAKE_CXX_COMPILER=${CXX} -DCXXFLAGS="${CXXFLAGS}" .. && cmake --build . && make test
+        mkdir build && cd build && cmake -DPHMAP_BUILD_TESTS=ON -DPHMAP_BUILD_EXAMPLES=ON -DCMAKE_CXX_COMPILER=${CXX} -DCXXFLAGS="${CXXFLAGS}"  -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON .. && cmake --build . && make test