Index: head/math/yacas/Makefile
===================================================================
--- head/math/yacas/Makefile	(revision 541324)
+++ head/math/yacas/Makefile	(revision 541325)
@@ -1,45 +1,45 @@
 # Created by: ijliao
 # $FreeBSD$
 
 PORTNAME=	yacas
-PORTVERSION=	1.8.0
+PORTVERSION=	1.9.1
 PORTREVISION=	0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	math
 
 MAINTAINER=	gahr@FreeBSD.org
 COMMENT=	Yet Another Computer Algebra System
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 TEST_DEPENDS=	bash:shells/bash \
 
 BUILD_DEPENDS=	googletest>0:devel/googletest
 
 CMAKE_ARGS=	-DENABLE_DOCS:BOOL=OFF \
 		-DENABLE_CYACAS_CONSOLE:BOOL=ON \
 		-DENABLE_CYACAS_KERNEL:BOOL=OFF \
 		-DENABLE_CYACAS_GUI:BOOL=OFF \
 		-DENABLE_JYACAS:BOOL=OFF \
 		-DENABLE_CYACAS_UNIT_TESTS:BOOL=ON \
 		-DENABLE_CYACAS_BENCHMARKS:BOOL=OFF
 
 TEST_TARGET=	test
 
 USES=		cmake compiler:c++17-lang
 USE_LDCONFIG=	yes
 USE_GITHUB=	yes
 GH_ACCOUNT=	grzegorzmazur
 
 PLIST_SUB=	SHLIB_VERSION=${PORTVERSION:S/.//}.0
 
 post-patch:
 #	Can't use USES=shebangfix here, cause the path appears several
 #	times in the file.
 	@${REINPLACE_CMD} -e 's| /bin/bash| ${LOCALBASE}/bin/bash|g' \
 		${WRKSRC}/tests/test-yacas
 	@${REINPLACE_CMD} -e '/^install/s|^|#|' \
 		${WRKSRC}/tests/CMakeLists.txt
 
 .include <bsd.port.mk>
Index: head/math/yacas/distinfo
===================================================================
--- head/math/yacas/distinfo	(revision 541324)
+++ head/math/yacas/distinfo	(revision 541325)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1572870290
-SHA256 (grzegorzmazur-yacas-v1.8.0_GH0.tar.gz) = 25ebdafaec032eb4f39a12d87afc6cf9bf63ab952479a4839a71df92da5a981b
-SIZE (grzegorzmazur-yacas-v1.8.0_GH0.tar.gz) = 38816826
+TIMESTAMP = 1594021634
+SHA256 (grzegorzmazur-yacas-v1.9.1_GH0.tar.gz) = 36333e9627a0ed27def7a3d14628ecaab25df350036e274b37f7af1d1ff7ef5b
+SIZE (grzegorzmazur-yacas-v1.9.1_GH0.tar.gz) = 38815043