diff --git a/wrapper/python/wolfssl/tox.ini b/wrapper/python/wolfssl/tox.ini
index 98ec7f995..d552f72b3 100644
--- a/wrapper/python/wolfssl/tox.ini
+++ b/wrapper/python/wolfssl/tox.ini
@@ -1,7 +1,7 @@
 [tox]
-envlist=py27,py34,py35
+envlist=py27,py34,py35,py36
 skip_missing_interpreters=true
 
 [testenv]
 deps=-rrequirements-testing.txt
-commands=py.test test/
+commands=py.test test/ {posargs}