1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 0611fdd..e4466b7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = qa,py27,py34,py35,py36,py37,py38,pypy,pypy3,incompatible-lzma
+envlist = qa,py27,py34,py35,py36,py37,py38,py39,pypy,pypy3,incompatible-lzma
 skip_missing_interpreters = True
 # we operate on sources anyway
 skipsdist = True