diff --git a/.github/workflows/github-actions-demo.yml b/.github/workflows/github-actions-demo.yml
index 7759c10d..23c87738 100644
--- a/.github/workflows/github-actions-demo.yml
+++ b/.github/workflows/github-actions-demo.yml
@@ -19,8 +19,8 @@ jobs:
       MINICONDA_INSTALLER_URL: https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-arm64.sh
       PROJECT_DIR: workdir/macos
       CONDA_FORGE_CHANNEL: conda-forge
-      C_COMPILER: clang_osx-64
-      FORTRAN_COMPILER: gfortran_osx-64
+      C_COMPILER: clang_osx-arm64 
+      FORTRAN_COMPILER: gfortran_osx-arm64
     steps:
       - name: Checkout
         uses: actions/checkout@v4