diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a8a288e..753c9ee 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,7 +16,20 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python: [3.6, 3.7, 3.8, 3.9, "3.10", "3.11", "3.12"]
+        python: [3.8, 3.9, "3.10", "3.11", "3.12"]
+        include:
+          - os: macos-13-xlarge
+            python: 3.6
+          - os: ubuntu-20.04
+            python: 3.6
+          - os: windows-2019
+            python: 3.6
+          - os: macos-13-xlarge
+            python: 3.7
+          - os: ubuntu-20.04
+            python: 3.7
+          - os: windows-2019
+            python: 3.7
 
     steps:
     - uses: actions/checkout@v3