2 files changed, 2 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index f25bb92a..e8efb617 100755
--- a/setup.py
+++ b/setup.py
@@ -55,6 +55,7 @@ setup(
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Operating System :: OS Independent',
diff --git a/tox.ini b/tox.ini
index 26b6148b..c45493d1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py35, py36, py37, py38, pypy3, lint
+envlist = py35, py36, py37, py38, py39, pypy3, lint
 
 [testenv]
 deps =