diff --git a/tox.ini b/tox.ini
index 20bcd37424..220b63c4aa 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,7 +5,7 @@ skipsdist = True
 
 [testenv]
 basepython=python2.7
-install_command = pip install -U {opts} {packages}
+install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
 setenv =
   VIRTUAL_ENV={envdir}
   INTEGRATION_TESTS=0
@@ -86,6 +86,10 @@ commands =
  /bin/bash {toxinidir}/run_tests.sh --compilemessages -N
 
 [testenv:venv]
+# NOTE(from nova tox.ini by jaegerandi): This target does not use constraints
+# because upstream infra does not yet support it. Once that's fixed, we can
+# drop the install_command.
+install_command = pip install -U --force-reinstall {opts} {packages}
 commands = {posargs}
 
 [testenv:manage]
@@ -127,6 +131,10 @@ setenv = DJANGO_SETTINGS_MODULE=openstack_dashboard.test.settings
 commands = {envpython} {toxinidir}/setup.py build_sphinx
 
 [testenv:releasenotes]
+# NOTE(from nova tox.ini by jaegerandi): This target does not use constraints
+# because upstream infra does not yet support it. Once that's fixed, we can
+# drop the install_command.
+install_command = pip install -U --force-reinstall {opts} {packages}
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:runserver]