diff --git a/tox.ini b/tox.ini
index 9f3a5046..bffdf13c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,3 +12,6 @@ deps =
 [testenv:style]
 deps = flake8
 commands = flake8 cliff docs/source/conf.py setup.py
+
+[testenv:py26]
+basepython=python2.6