diff --git a/ci/python-package.yml b/ci/python-package.yml
index 24f36a8..49c9f0d 100644
--- a/ci/python-package.yml
+++ b/ci/python-package.yml
@@ -7,9 +7,9 @@ jobs:
 
     runs-on: ubuntu-latest
     strategy:
-      max-parallel: 4
+      max-parallel: 5
       matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7]
+        python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
 
     steps:
     - uses: actions/checkout@v1