diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c5dea8f5..af084471 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,10 +14,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: ['2.7', '3.5', '3.6', '3.7', '3.8']
+        python-version: ['2.7', '3.5', '3.6', '3.7', '3.8', '3.9']
         include:
         - os: macos-latest
-          python-version: '3.8'
+          python-version: '3.9'
     runs-on: ${{ matrix.os }}
     name: test (py${{ matrix.python-version }} ${{ matrix.os }})
     steps: