diff --git a/tox.ini b/tox.ini
index 5bf028768b85..1e77bfed7b3c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,11 +1,15 @@
 [tox]
-minversion = 3.1.1
+minversion = 3.2.0
 envlist = py{27,35},functional,pep8
 skipsdist = True
 # Automatic envs (pyXX) will use the python version appropriate to that
 # env and ignore basepython inherited from [testenv]. That's what we
 # want, and we don't need to be warned about it.
 ignore_basepython_conflict = True
+# Pin the virtualenv and therefore the setuptools version used for the env
+# creation. This results in a new tox being installed in .tox/.tox virtualenv
+# and the tox on the host will delegate all the calls to the tox in that env.
+requires = virtualenv<20.8
 
 [testenv]
 basepython = python3