1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 50a436e..913fee0 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
 [testenv]
 changedir = {envtmpdir}
 deps=-r{toxinidir}/test-requirements.txt