diff --git a/.github/workflows/Spack.yml b/.github/workflows/Spack.yml
index 30eac6f..5eff2ba 100644
--- a/.github/workflows/Spack.yml
+++ b/.github/workflows/Spack.yml
@@ -38,7 +38,6 @@ jobs:
 
     - name: spack-build-and-test
       run: |
-        sudo apt install openmpi-bin libopenmpi-dev
         cd
         git clone -c feature.manyFiles=true https://github.com/jcsda/spack
         . spack/share/spack/setup-env.sh