diff --git a/tox.ini b/tox.ini
index 4db3590..31d5324 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.1.1
-envlist = py36,py37,docs,pep8
+envlist = py36,py38,docs,pep8
 skipsdist = True
 ignore_basepython_conflict = True