diff --git a/tox.ini b/tox.ini
index 6f7a8514f8..ff82b2ad0b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 minversion = 3.1.0
 # python runtimes: https://governance.openstack.org/tc/reference/runtimes/ussuri.html
-envlist = functional-py37,py37,py36,pep8
+envlist = functional-py38,py38,py36,pep8
 skipsdist = True
 skip_missing_interpreters = true
 # this allows tox to infer the base python from the environment name