1 files changed, 7 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 8233748..72bbf0b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -73,3 +73,10 @@ import_exceptions =
 # separately, outside of the requirements files.
 deps = bindep
 commands = bindep test
+
+[testenv:lower-constraints]
+basepython = python3
+deps =
+  -c{toxinidir}/lower-constraints.txt
+  -r{toxinidir}/test-requirements.txt
+  -r{toxinidir}/requirements.txt