diff --git a/.github/workflows/fortran-build.yml b/.github/workflows/fortran-build.yml
index e47c5ec13..492a6d774 100644
--- a/.github/workflows/fortran-build.yml
+++ b/.github/workflows/fortran-build.yml
@@ -70,7 +70,7 @@ jobs:
          - name: Install CMake
            run: pip install ninja cmake
          - name: Configure build
-           run: cmake -B ${{ env.BUILD_DIR }} -G Ninja
+           run: cmake -B ${{ env.BUILD_DIR }} -G Ninja -DCMAKE_BUILD_TYPE=Release
            env:
             FC: ${{ matrix.fc }}
             CC: ${{ matrix.cc }}