diff --git a/tox.ini b/tox.ini
index 2f6dc8c..1e9cb85 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py37,pypy,cover,pep8
+envlist = py38,pypy,cover,pep8
 minversion = 3.1.1
 skipsdist = True
 ignore_basepython_conflict = True