diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index b34f16d4..8bc33900 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -6,10 +6,15 @@ jobs:
       fail-fast: false
       matrix:
         version: ['3.9', '3.10', '3.11']
-    runs-on: ubuntu-latest
+        os: [ubuntu-latest,macos-latest]
+    runs-on:  ${{ matrix.os }}
     steps:
-      - name: install mpi
-        run: sudo apt update && sudo apt-get install openmpi-bin openmpi-doc libopenmpi-dev 
+      - name: install mpi in ubuntu
+        if: matrix.os == 'ubuntu-latest'
+        run: sudo apt update && sudo apt-get install openmpi-bin
+      - name: install mpi macos
+        if: matrix.os == 'macos-latest'
+        run: brew install open-mpi
       - uses: actions/checkout@v3
       - name: setup python
         uses: actions/setup-python@v4