diff --git a/net/libcmis/Makefile b/net/libcmis/Makefile
index 68719929d2c2..6d57415a138d 100644
--- a/net/libcmis/Makefile
+++ b/net/libcmis/Makefile
@@ -1,35 +1,35 @@
 PORTNAME=	libcmis
 PORTVERSION=	0.6.2
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	net devel
 MASTER_SITES=	https://github.com/tdf/libcmis/releases/download/v${PORTVERSION}/ \
 		https://dev-www.libreoffice.org/src/
 
 MAINTAINER=	office@FreeBSD.org
 COMMENT=	Client library for the CMIS interface
 WWW=		https://github.com/tdf/libcmis
 
 LICENSE=	LGPL20 MPL11 GPLv2
 LICENSE_COMB=	dual
 
 BUILD_DEPENDS=	cppunit-config:devel/cppunit \
 		${LOCALBASE}/lib/libboost_regex.a:devel/boost-libs
 LIB_DEPENDS=	libboost_program_options.so:devel/boost-libs \
 		libcurl.so:ftp/curl
 
 USES=		compiler:c++11-lib gmake gnome libtool localbase pathfix \
 		pkgconfig tar:xz
 USE_GNOME=	libxml2
 
 CONFIGURE_ARGS=	--disable-werror --with-boost=${LOCALBASE} --without-man
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 USE_LDCONFIG=	yes
 
 PLIST_SUB=	MAJVER=${PORTVERSION:R} SHLIBVER=${PORTVERSION:R:E}
 
 post-patch:
 	@${REINPLACE_CMD} -e "s|@WITH_LIBCMIS_MAN_FALSE@|#|g" \
 	    ${WRKSRC}/Makefile.in
 
 .include <bsd.port.mk>
diff --git a/net/libcmis/files/patch-boost-1.86 b/net/libcmis/files/patch-boost-1.86
new file mode 100644
index 000000000000..0f416e5e3fa1
--- /dev/null
+++ b/net/libcmis/files/patch-boost-1.86
@@ -0,0 +1,47 @@
+https://github.com/tdf/libcmis/issues/67
+https://github.com/tdf/libcmis/pull/68
+
+From dfcb642a491f7ec2ae52e3e83d31bb6cdf3670c2 Mon Sep 17 00:00:00 2001
+From: David Seifert <soap@gentoo.org>
+Date: Sat, 31 Aug 2024 12:39:39 +0200
+Subject: [PATCH] Fix boost 1.86 breakage
+
+The fix does not break building against <1.86 since we're now accessing the
+object representation of the return value.
+
+Fixes #67
+---
+ src/libcmis/xml-utils.cxx | 14 ++++++++++----
+ 1 file changed, 10 insertions(+), 4 deletions(-)
+
+diff --git src/libcmis/xml-utils.cxx src/libcmis/xml-utils.cxx
+index e487d17..cdf088f 100644
+--- src/libcmis/xml-utils.cxx
++++ src/libcmis/xml-utils.cxx
+@@ -531,16 +531,22 @@ namespace libcmis
+         boost::uuids::detail::sha1 sha1;
+         sha1.process_bytes( str.c_str(), str.size() );
+ 
+-        unsigned int digest[5];
++        // on boost <  1.86.0, digest_type is typedef'd as unsigned int[5]
++        // on boost >= 1.86.0, digest_type is typedef'd as unsigned char[20]
++        boost::uuids::detail::sha1::digest_type digest;
+         sha1.get_digest( digest );
+ 
++        // by using a pointer to unsigned char, we can read the
++        // object representation of either typedef.
++        const unsigned char* ptr = reinterpret_cast<const unsigned char*>( digest );
++
+         stringstream out;
+-        // Setup writing mode. Every number must produce eight
++        // Setup writing mode. Every number must produce two
+         // hexadecimal digits, including possible leading 0s, or we get
+         // less than 40 digits as result.
+         out << hex << setfill('0') << right;
+-        for ( int i = 0; i < 5; ++i )
+-            out << setw(8) << digest[i];
++        for ( int i = 0; i < sizeof( digest ); ++ptr, ++i )
++            out << setw(2) << static_cast<int>( *ptr );
+         return out.str();
+     }
+ 
diff --git a/net/libcmis/files/patch-libxml2-2.12 b/net/libcmis/files/patch-libxml2-2.12
new file mode 100644
index 000000000000..f59bce10ca4e
--- /dev/null
+++ b/net/libcmis/files/patch-libxml2-2.12
@@ -0,0 +1,26 @@
+From 72618e63433c7243e4d9e79a638f19a09402eecc Mon Sep 17 00:00:00 2001
+From: Andreas Sturmlechner <asturm@gentoo.org>
+Date: Tue, 21 Nov 2023 23:10:07 +0100
+Subject: [PATCH] Fix build with libxml2-2.12 (missing include)
+
+See also: https://github.com/tdf/libcmis/issues/51
+Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>
+---
+ inc/libcmis/xml-utils.hxx | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git inc/libcmis/xml-utils.hxx inc/libcmis/xml-utils.hxx
+index 929385e..9bd99ae 100644
+--- inc/libcmis/xml-utils.hxx
++++ inc/libcmis/xml-utils.hxx
+@@ -34,6 +34,7 @@
+ #include <string>
+ 
+ #include <boost/date_time.hpp>
++#include <libxml/parser.h>
+ #include <libxml/tree.h>
+ #include <libxml/xpathInternals.h>
+ #include <libxml/xmlwriter.h>
+-- 
+2.43.0
+