1 files changed, 7 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 62a2f79..f60267f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -76,3 +76,10 @@ passenv = OS_*
 show-source = True
 ignore = H404,H405,E122,E123,E128,E251
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build
+
+[testenv:lower-constraints]
+basepython = python3
+deps =
+  -c{toxinidir}/lower-constraints.txt
+  -r{toxinidir}/test-requirements.txt
+  -r{toxinidir}/requirements.txt