diff --git a/tox.ini b/tox.ini
index e94d499..7f1463b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py33, py34, py35, py36, pypy, flake8
+envlist = py26, py27, py33, py34, py35, py36, pypy, flake8
 
 [testenv]
 commands = py.test {posargs:requests_unixsocket/tests}