diff --git a/.github/workflows/python-package-test.yml b/.github/workflows/python-package-test.yml
index 69a9df9..71d16ea 100644
--- a/.github/workflows/python-package-test.yml
+++ b/.github/workflows/python-package-test.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8]
+        python-version: [3.6, 3.7, 3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/setup.py b/setup.py
index a47d217..47e84a3 100644
--- a/setup.py
+++ b/setup.py
@@ -33,6 +33,8 @@
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
     description="The Python micro framework for building gPRC application.",
     install_requires=requirements,