diff --git a/cad/cura-engine/Makefile b/cad/cura-engine/Makefile
index 5fc42fe36a9c..b311474f45db 100644
--- a/cad/cura-engine/Makefile
+++ b/cad/cura-engine/Makefile
@@ -1,35 +1,38 @@
 PORTNAME=		CuraEngine
-PORTEPOCH=		1
 DISTVERSION=		4.13.1
 PORTREVISION=	2
+PORTEPOCH=		1
 CATEGORIES=		cad
 DIST_SUBDIR=		Ultimaker
 
 MAINTAINER=	db@FreeBSD.org
 COMMENT=	Engine of slicing solution for RepRap 3D printers
 WWW=		http://wiki.ultimaker.com/Cura
 
 LICENSE=	AGPLv3
 
+DEPRECATED=	Depends on expired net/libarcus
+EXPIRATION_DATE=2024-07-31
+
 LIB_DEPENDS=	libArcus.so:net/libarcus	\
 		libprotobuf.so:devel/protobuf
 
 USES=		compiler:c++11-lang cmake
 
 STB_TAG=	d5d052c
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Ultimaker
 GH_PROJECT=	CuraEngine
 GH_TUPLE=	nothings:stb:${STB_TAG}:stb/include/stb
 
 CMAKE_ARGS+=	-DStb_FOUND:BOOL=ON		\
 		-DStb_INCLUDE_DIRS=${WRKSRC}/include
 
 # disable OpenMP as it does not work (at least) on CURRENT.
 # OpenMP support is planned to be replaced with native thread.
 # see files/patch-CMakeLists.txt
 
 PLIST_FILES=	bin/CuraEngine
 
 .include <bsd.port.mk>