diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5da8161..56cb7db 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,8 +28,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-latest, ubuntu-latest, macos-10.15]
-        python-version: [3.8, 3.9]
+        os: [windows-latest, ubuntu-latest, macos-latest]
+        python-version: [3.7, 3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v2