diff --git a/tox.ini b/tox.ini
index bd917800..a3aa1f4d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py37,pep8,cover
+envlist = py38,pep8,cover
 minversion = 2.5
 skipsdist = True
 
@@ -34,8 +34,8 @@ commands =
   {[testenv]commands}
   stestr run --blacklist-file {env:BLACKLIST_FILE} {posargs}
 
-[testenv:py37]
-basepython = python3.7
+[testenv:py38]
+basepython = python3.8
 setenv =
   {[testenv]setenv}
   BLACKLIST_FILE={toxinidir}/test-blacklist-py3.txt