Index: head/devel/byacc/Makefile
===================================================================
--- head/devel/byacc/Makefile	(revision 433144)
+++ head/devel/byacc/Makefile	(revision 433145)
@@ -1,21 +1,23 @@
 # $FreeBSD$
 
 PORTNAME=	byacc
-PORTVERSION=	20161202
+PORTVERSION=	20170201
 CATEGORIES=	devel
 MASTER_SITES=	ftp://invisible-island.net/${PORTNAME}/ \
 		LOCAL/sunpoet
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Best yacc variant available
+
+LICENSE=	PD
 
 GNU_CONFIGURE=	yes
 MAKE_ARGS=	DEFINES="-DMAXTABLE=INT_MAX"
 MAKEFILE=	makefile
 TEST_TARGET=	check
 USES=		tar:tgz
 
 PLIST_FILES=	bin/yacc \
 		man/man1/yacc.1.gz
 
 .include <bsd.port.mk>
Index: head/devel/byacc/distinfo
===================================================================
--- head/devel/byacc/distinfo	(revision 433144)
+++ head/devel/byacc/distinfo	(revision 433145)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1480711589
-SHA256 (byacc-20161202.tgz) = 30dc58cfcdb708eea7ba022db29b41d2d392f20727491b956954366f2f2117f0
-SIZE (byacc-20161202.tgz) = 708465
+TIMESTAMP = 1486036582
+SHA256 (byacc-20170201.tgz) = 90b768d177f91204e6e7cef226ae1dc7cac831b625774cebd3e233a917754f91
+SIZE (byacc-20170201.tgz) = 741550