diff --git a/tox.ini b/tox.ini
index d5e3b91..3c2c8ad 100644
--- a/tox.ini
+++ b/tox.ini
@@ -78,3 +78,10 @@
 
 [hacking]
 local-check-factory = patrole_tempest_plugin.hacking.checks.factory
+
+[testenv:lower-constraints]
+basepython = python3
+deps =
+  -c{toxinidir}/lower-constraints.txt
+  -r{toxinidir}/test-requirements.txt
+  -r{toxinidir}/requirements.txt