diff --git a/tox.ini b/tox.ini
index 6a0c628d7..8ffba7713 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,7 @@ python =
 twisted = 1
 
 [tox]
-envlist = typechecks,codechecks,codechecks3,py{27,36,37,38,39}-{coverage},pypy27,pypy3
+envlist = typechecks,codechecks,codechecks3,py{27,36,37,38,39}-{coverage},pypy27,pypy3,integration,integration3
 minversion = 2.4
 
 [testenv]