diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 1544e4c..a867f51 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -23,6 +23,10 @@ jobs:
             python-version: 3.5
           - os: windows-latest
             python-version: 3.5
+          - os: macos-latest
+            python-version: 3.6
+          - os: windows-latest
+            python-version: 3.6
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}