diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 6087a65..0103d1b 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -55,6 +55,9 @@ jobs:
     needs: test
     if: github.event_name == 'push'
     runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ macos-latest, windows-latest, ubuntu-latest ]
 
     steps:
       - uses: actions/checkout@v2