diff --git a/tox.ini b/tox.ini
index 32ff465..b7e3066 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.1
-envlist = py37,pypy,pep8
+envlist = py3,pypy,pep8
 skipsdist = True
 ignore_basepython_conflict = True