diff --git a/.travis.yml b/.travis.yml
index 0b7eda5..a42a015 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,6 +29,8 @@ jobs:
     dist: xenial
   - python: 3.8
     dist: xenial
+  - python: 3.9
+    dist: xenial
 
   - name: "check code style with flake8"
     python: 3.7
diff --git a/setup.py b/setup.py
index 988e1f2..c0b5d9e 100644
--- a/setup.py
+++ b/setup.py
@@ -25,6 +25,7 @@
     'Programming Language :: Python :: 3.6',
     'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: 3.8',
+    'Programming Language :: Python :: 3.9',
     'Topic :: Software Development',
 ]