diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 15a9b74..2f770e4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.7", "3.8"]
+        python-version: ["3.7", "3.8", "3.9"]
 
     steps:
       - uses: "actions/checkout@v2"
diff --git a/setup.py b/setup.py
index 9a7c58f..d9d7bf9 100644
--- a/setup.py
+++ b/setup.py
@@ -43,5 +43,6 @@ def get_long_description() -> str:
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ]
 )