diff --git a/.github/workflows/action.yml b/.github/workflows/action.yml
index 3a61b43..fe6fb54 100644
--- a/.github/workflows/action.yml
+++ b/.github/workflows/action.yml
@@ -6,10 +6,10 @@ on:
   #     - cron: '0 0 * * *' # Once per day at midnight
 jobs:
   test:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
@@ -28,10 +28,10 @@ jobs:
     - name: Run tests
       run: PY_VERSION=${{ matrix.python-version }} && tox -e py${PY_VERSION//.}
   lint:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}