Index: head/net/ryu/Makefile
===================================================================
--- head/net/ryu/Makefile	(revision 474504)
+++ head/net/ryu/Makefile	(revision 474505)
@@ -1,40 +1,40 @@
 # $FreeBSD$
 
 PORTNAME=	ryu
 PORTVERSION=	4.26
+DISTVERSIONPREFIX=	v
 CATEGORIES=	net python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	akoshibe@gmail.com
 COMMENT=	Component-based Software-defined Networking Framework
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pbr>=0:devel/py-pbr@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}eventlet>0:net/py-eventlet@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}routes>0:www/py-routes@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}webob>=1.2:www/py-webob@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}paramiko>0:security/py-paramiko@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}netaddr>0:net/py-netaddr@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}lxml>0:devel/py-lxml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}oslo.config>=1.15.0:devel/py-oslo.config@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}msgpack>=0.3.0:devel/py-msgpack@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.4.0:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tinyrpc>0:devel/py-tinyrpc@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}ovs>0:devel/py-ovs@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pbr>=0:devel/py-pbr@${PY_FLAVOR}
 
 #RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}eventlet>0:net/py-eventlet@${PY_FLAVOR} \
 #		${PYTHON_PKGNAMEPREFIX}greenlet>=0:devel/py-greenlet@${PY_FLAVOR} \
 
 NO_ARCH=	yes
 
 USES=		python
 USE_PYTHON=	autoplist distutils
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	osrg
-GH_TAGNAME=	b9909d0
 
 .include <bsd.port.mk>
Index: head/net/ryu/distinfo
===================================================================
--- head/net/ryu/distinfo	(revision 474504)
+++ head/net/ryu/distinfo	(revision 474505)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1531142382
-SHA256 (osrg-ryu-4.26-b9909d0_GH0.tar.gz) = c6e0f1dfdc9a16de45065e7cca2f29b386a1583b595a1c6ab186d6270b08e0ef
-SIZE (osrg-ryu-4.26-b9909d0_GH0.tar.gz) = 1518466
+TIMESTAMP = 1531397303
+SHA256 (osrg-ryu-v4.26_GH0.tar.gz) = b814889a1994f1a69ba735b2ae8ca6d27ea876f737d19d1b69908daa7114b762
+SIZE (osrg-ryu-v4.26_GH0.tar.gz) = 1518085