diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 6f21021a..7ee26aac 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -9,13 +9,16 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
         python-version: [3.6, 3.7, 3.8, 3.9]
+        exclude:
+          - os: macos-latest
+            python-version: '3.6'
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
         with:
           submodules: "recursive"
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies