diff --git a/.github/workflows/arm64_graviton.yml b/.github/workflows/arm64_graviton.yml
index b4b189763..4b4e15167 100644
--- a/.github/workflows/arm64_graviton.yml
+++ b/.github/workflows/arm64_graviton.yml
@@ -88,7 +88,7 @@ jobs:
         run: |
           case "${{ matrix.build }}" in
             "make")
-              make -j$(nproc) DYNAMIC_ARCH=1 USE_OPENMP=0 FC="ccache ${{ matrix.fortran }}"
+              make -j$(nproc) DYNAMIC_ARCH=1 BUILD_BFLOAT16=1 USE_OPENMP=0 FC="ccache ${{ matrix.fortran }}"
               ;;
             "cmake")
               mkdir build && cd build