diff --git a/tox.ini b/tox.ini
index 8a86f7e02..de423512f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,6 +2,8 @@
 [tox]
 envlist = py3
 skipsdist = True
+minversion = 3.2.0
+requires = virtualenv >= 16.1
 
 [gh-actions]
 python =