diff --git a/devel/libiqxmlrpc/Makefile b/devel/libiqxmlrpc/Makefile
index f90682d87f89..7daa51416145 100644
--- a/devel/libiqxmlrpc/Makefile
+++ b/devel/libiqxmlrpc/Makefile
@@ -1,32 +1,35 @@
 PORTNAME=	libiqxmlrpc
 PORTVERSION=	0.13.5
 PORTREVISION=	21
 CATEGORIES=	devel net
 MASTER_SITES=	SF
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Free, object-oriented XML-RPC implementation written in C++
 WWW=		https://libiqxmlrpc.wikidot.com/
 
 LICENSE=	BSD2CLAUSE
 
+DEPRECATED=	Fails to build with libxml2 2.13.0 (PR 279705)
+EXPIRATION_DATE=2024-07-16
+
 LIB_DEPENDS=	libboost_thread.so:devel/boost-libs
 
 USES=		cmake gnome localbase:ldflags ssl tar:bzip2
 USE_CXXSTD=	c++14
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 PORTDOCS=	*
 
 OPTIONS_DEFINE=	DOXYGEN DOCS
 
 DOXYGEN_IMPLIES=	DOCS
 DOXYGEN_BUILD_DEPENDS=	doxygen:devel/doxygen
 DOXYGEN_CMAKE_OFF=	-Dbuild_docs=off
 
 post-patch:
 	${REINPLACE_CMD} -e 's,lib/pkgconfig,libdata/pkgconfig,' ${WRKSRC}/libiqxmlrpc/CMakeLists.txt
 	${REINPLACE_CMD} -e 's,share/doc/libiqxmlrpc-$${Libiqxmlrpc_VERSION},${DOCSDIR_REL},' ${WRKSRC}/doc/CMakeLists.txt
 
 .include <bsd.port.mk>