diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 70cf32d..2e80654 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version: [3.5, 3.6, 3.7, 3.8, 3.9]
         
     steps: