diff --git a/tox.ini b/tox.ini
index c80d480b6f557c37a14f6ec977a2900494e95d51..f3fbc64ce1991cd74a1ff7ef71c1783f5423456d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 skip_install = True
 skipsdist = True
-envlist = openbsd60,xenial,trusty,precise,stretch,jessie,wheezy
+envlist = openbsd56,openbsd60,xenial,trusty,precise,stretch,jessie,wheezy
 
 [testenv]
 envdir = {toxinidir}/.tox/molecule