Index: head/devel/py-pymarc/Makefile
===================================================================
--- head/devel/py-pymarc/Makefile	(revision 436790)
+++ head/devel/py-pymarc/Makefile	(revision 436791)
@@ -1,25 +1,25 @@
 # Created by: Wen Heping <wenheping@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	pymarc
-PORTVERSION=	3.1.5
+PORTVERSION=	3.1.6
 PORTEPOCH=	1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	python@FreeBSD.org
 COMMENT=	Read Write And Modify MARC Bibliographic Data
 
 LICENSE=	BSD2CLAUSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=0:devel/py-six
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=1.9.0:devel/py-six
 
 NO_ARCH=	yes
 USES=		python
 USE_PYTHON=	autoplist distutils
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} test.py
 
 .include <bsd.port.mk>
Index: head/devel/py-pymarc/distinfo
===================================================================
--- head/devel/py-pymarc/distinfo	(revision 436790)
+++ head/devel/py-pymarc/distinfo	(revision 436791)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1471801153
-SHA256 (pymarc-3.1.5.tar.gz) = 7352a9eacc3da96915931daa71eefc2b6e0f88b60e65c7cea70c0002d1a7c93c
-SIZE (pymarc-3.1.5.tar.gz) = 222522
+TIMESTAMP = 1490305851
+SHA256 (pymarc-3.1.6.tar.gz) = 6449130789d79a022aa4062db4097f07f9ea89c9d4c247e9624fac3a9c9ead0d
+SIZE (pymarc-3.1.6.tar.gz) = 211024