1 files changed, 2 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 372f60f..2c9e117 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38,py37,py36,docs,flake8,black
+envlist = py39,py38,py37,py36,docs,flake8,black
 skip_missing_interpreters = True
 
 [testenv]
@@ -42,3 +42,4 @@ python =
   3.6: py36
   3.7: py37
   3.8: py38, docs, black, flake8
+  3.9: py39