diff --git a/.github/workflows/python-package.yaml b/.github/workflows/python-package.yaml
index 68555fa..cb1cfa9 100644
--- a/.github/workflows/python-package.yaml
+++ b/.github/workflows/python-package.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [2.7, 3.7, 3.8]
+        python: [2.4, 2.5, 2.6, 2.7, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, pypy]
 
     steps:
       - uses: actions/checkout@v2