Index: head/math/py-spot/Makefile
===================================================================
--- head/math/py-spot/Makefile	(revision 507996)
+++ head/math/py-spot/Makefile	(revision 507997)
@@ -1,39 +1,38 @@
 # $FreeBSD$
 
 PORTNAME=	spot
-DISTVERSION=	2.7.5
-PORTREVISION=	1
+DISTVERSION=	2.8.1
 CATEGORIES=	math
 MASTER_SITES=	http://www.lrde.epita.fr/dload/${PORTNAME}/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python binding for 'Spot', the library for omega automata manipulation
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libspot.so:math/spot
 
 USES=		compiler:c++14-lang gmake libtool python:3.4+
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-python --disable-static
 
 # otherwise shared libs aren't linked to spot libs for some reason
 LDFLAGS+=	-L${LOCALBASE}/lib
 .for l in spot bddx spotgen spotltsmin
 LDFLAGS+=	-l${l}
 .endfor
 
 post-configure:
 	@${REINPLACE_CMD} ' \
 		s|^BUDDY_LDFLAGS =.*|BUDDY_LDFLAGS = ${LOCALBASE}/lib/libbddx.so|; \
 		s|$$(top_builddir)/spot/libspot.la|${LOCALBASE}/lib/libspot.so|; \
 		s|$$(top_builddir)/spot/ltsmin/libspotltsmin.la|${LOCALBASE}/lib/libspotltsmin.so|; \
 		s|$$(top_builddir)/spot/gen/libspotgen.la|${LOCALBASE}/lib/libspotgen.so|' \
 		${WRKSRC}/python/Makefile
 
 post-install:
 	@${FIND} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} -name "*.so" | ${XARGS} ${STRIP_CMD}
 
 .include <bsd.port.mk>
Index: head/math/py-spot/distinfo
===================================================================
--- head/math/py-spot/distinfo	(revision 507996)
+++ head/math/py-spot/distinfo	(revision 507997)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1559889380
-SHA256 (spot-2.7.5.tar.gz) = 2cbbfb6245250603c92fd3d512d07b5d70c7924826b156a260c4a41039c0ce23
-SIZE (spot-2.7.5.tar.gz) = 7367614
+TIMESTAMP = 1564863233
+SHA256 (spot-2.8.1.tar.gz) = dcb7aa684725304afb3d435f26f25b51fbd6e9a6ef610e16163cc0030ad5eab4
+SIZE (spot-2.8.1.tar.gz) = 7484722