2 files changed, 2 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 3e7b3b3..4695429 100644
--- a/setup.py
+++ b/setup.py
@@ -134,6 +134,7 @@ setup(
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
     ],
 )
 
diff --git a/tox.ini b/tox.ini
index c86609a..1b650ac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py34,py35,py36,py37,py38,pypy,pypy3
+envlist = py27,py34,py35,py36,py37,py38,py39,pypy,pypy3
 isolated_build = True
 [testenv]
 changedir = {envtmpdir}