diff --git a/math/GiNaC/Makefile b/math/GiNaC/Makefile
index 2d193269c5d3..8f83cfee3edc 100644
--- a/math/GiNaC/Makefile
+++ b/math/GiNaC/Makefile
@@ -1,38 +1,38 @@
 PORTNAME=	GiNaC
-PORTVERSION=	1.8.5
+PORTVERSION=	1.8.6
 CATEGORIES=	math
 MASTER_SITES=	ftp://ftpthep.physik.uni-mainz.de/pub/GiNaC/ \
 		http://www.ginac.de/
 DISTNAME=	${PORTNAME:tl}-${PORTVERSION}
 
 MAINTAINER=	stephen@FreeBSD.org
 COMMENT=	C++ library for symbolic mathematical calculations
 WWW=		https://www.ginac.de/
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libcln.so:math/cln
 
 USES=		compiler:c++11-lib gmake libtool makeinfo ncurses pathfix \
 		pkgconfig python:build readline tar:bzip2
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	check
 
 CPPFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
 
 INFO=		ginac ginac-examples
 
 .include <bsd.port.pre.mk>
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|-ldl||g' ${WRKSRC}/configure
 .if ${ARCH} != "i386"
 	@${REINPLACE_CMD} -e 's|unsigned|size_t|g' \
 		${WRKSRC}/ginac/parser/parser.cpp
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/math/GiNaC/distinfo b/math/GiNaC/distinfo
index c3af0596a146..a9a130ddfe68 100644
--- a/math/GiNaC/distinfo
+++ b/math/GiNaC/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1672786452
-SHA256 (ginac-1.8.5.tar.bz2) = c24b37a1e709f660d0978787e86b334803cd28ec17689cf36ddff380073ea261
-SIZE (ginac-1.8.5.tar.bz2) = 1148694
+TIMESTAMP = 1676175413
+SHA256 (ginac-1.8.6.tar.bz2) = 00b320b1116cae5b7b43364dbffb7912471d171f484d82764605d715858d975b
+SIZE (ginac-1.8.6.tar.bz2) = 1152914
diff --git a/math/GiNaC/pkg-plist b/math/GiNaC/pkg-plist
index cc85f2713874..4637b4707078 100644
--- a/math/GiNaC/pkg-plist
+++ b/math/GiNaC/pkg-plist
@@ -1,58 +1,58 @@
 bin/ginsh
 bin/viewgar
 include/ginac/add.h
 include/ginac/archive.h
 include/ginac/assertion.h
 include/ginac/basic.h
 include/ginac/class_info.h
 include/ginac/clifford.h
 include/ginac/color.h
 include/ginac/compiler.h
 include/ginac/constant.h
 include/ginac/container.h
 include/ginac/ex.h
 include/ginac/excompiler.h
 include/ginac/expair.h
 include/ginac/expairseq.h
 include/ginac/exprseq.h
 include/ginac/factor.h
 include/ginac/fail.h
 include/ginac/fderivative.h
 include/ginac/flags.h
 include/ginac/function.h
 include/ginac/ginac.h
 include/ginac/hash_map.h
 include/ginac/idx.h
 include/ginac/indexed.h
 include/ginac/inifcns.h
 include/ginac/integral.h
 include/ginac/integration_kernel.h
 include/ginac/lst.h
 include/ginac/matrix.h
 include/ginac/mul.h
 include/ginac/ncmul.h
 include/ginac/normal.h
 include/ginac/numeric.h
 include/ginac/operators.h
 include/ginac/parse_context.h
 include/ginac/parser.h
 include/ginac/power.h
 include/ginac/print.h
 include/ginac/pseries.h
 include/ginac/ptr.h
 include/ginac/registrar.h
 include/ginac/relational.h
 include/ginac/structure.h
 include/ginac/symbol.h
 include/ginac/symmetry.h
 include/ginac/tensor.h
 include/ginac/version.h
 include/ginac/wildcard.h
 lib/libginac.a
 lib/libginac.so
 lib/libginac.so.11
-lib/libginac.so.11.1.4
+lib/libginac.so.11.1.5
 libdata/pkgconfig/ginac.pc
 libexec/ginac-excompiler
 man/man1/ginsh.1.gz
 man/man1/viewgar.1.gz