diff --git a/tox.ini b/tox.ini
index 847edf9b..23bbf501 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py36-cov,checkstyle
+envlist = py37-cov,checkstyle
 
 [testenv]
 deps =