diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ee04d92a..674bd6c9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -59,7 +59,7 @@ jobs:
     - name: Install homebrew dependencies
       if: matrix.os == 'macos-10.15'
       run: |
-        brew install gcc@10 llvm@10 boost fftw hdf5 open-mpi openblas numpy scipy mpi4py
+        brew install gcc@10 llvm boost fftw hdf5 open-mpi openblas numpy scipy mpi4py
         pip3 install mako
         pip3 install -r requirements.txt