Index: Makefile
===================================================================
--- Makefile    (revision 347455)
+++ Makefile    (working copy)
@@ -14,6 +14,7 @@
 LICENSE=       APACHE20

 RUN_DEPENDS=   ${PYTHON_PKGNAMEPREFIX}cryptography>=0.2.1:${PORTSDIR}/security/py-cryptography \
+               py*-cffi>=0:${PORTSDIR}/devel/py-cffi \
                ${PYTHON_PKGNAMEPREFIX}six>=1.5.2:${PORTSDIR}/devel/py-six

 OPTIONS_DEFINE=        EXAMPLES