diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index d0382c8d..5df69d8b 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -11,12 +11,13 @@ on:
 
 jobs:
   build:
-
-    runs-on: ubuntu-latest
     strategy:
       matrix:
+        os: [ ubuntu-latest, macos-latest ]
         python-version: [3.6, 3.7, 3.8, '3.x', 'pypy3']
 
+    runs-on: ${{ matrix.os }}
+
     steps:
     - uses: actions/checkout@v2
       with: