2 files changed, 2 insertions, 1 deletions

diff --git a/setup.cfg b/setup.cfg
index f66ec65dc..27ecf6225 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,6 +18,7 @@ classifier =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [files]
 data_files =
diff --git a/tox.ini b/tox.ini
index d50ea095d..bac5a4ca5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py36,py37,py38,pep8
+envlist = py36,py37,py38,py39,pep8
 ignore_basepython_conflict = True
 minversion = 3.1.0
 skipsdist = True