diff --git a/tox.ini b/tox.ini
index c335ff6e82d..3e1d253c19a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -47,7 +47,10 @@ setenv =
   OS_TEST_PATH = ./cinder/tests/functional
 
 [testenv:functional-py34]
-basepython=python3.4
+[testenv:functional-py35]
+basepython=
+    py34: python3.4
+    py35: python3.5
 setenv =
   {[testenv:functional]setenv}