diff --git a/tox.ini b/tox.ini
index a4967fe1eb..2eb9d65a6d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,11 +1,10 @@
 [tox]
-minversion = 2.5.0
+minversion = 3.2.0
 skipsdist = True
 envlist = py37,pep8,api-ref,docs,genconfig,genpolicy,releasenotes,protection
 
 [testenv]
 usedevelop = True
-install_command = pip install {opts} {packages}
 basepython = python3
 setenv = VIRTUAL_ENV={envdir}
 deps = -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}