diff --git a/tox.ini b/tox.ini
index 7a223848..2b6c845f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = docs,linters,py35,py37
+envlist = docs,linters,py3
 minversion = 3.1.0
 skipsdist = True
 ignore_basepython_conflict=true