diff --git a/devel/msgpack-cxx/Makefile b/devel/msgpack-cxx/Makefile
index acc573fbac25..e33bb271276e 100644
--- a/devel/msgpack-cxx/Makefile
+++ b/devel/msgpack-cxx/Makefile
@@ -1,31 +1,31 @@
 PORTNAME=	msgpack
-PORTVERSION=	6.1.1
+PORTVERSION=	9.0.0
 DISTVERSIONPREFIX=	cpp-
 CATEGORIES=	devel
 PKGNAMESUFFIX=	-cxx
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Efficient binary serialization protocol (C++ version)
 WWW=		https://msgpack.org/
 
 LICENSE=	BSL
 LICENSE_FILE=	${WRKSRC}/LICENSE_1_0.txt
 
 USES=		cmake pathfix
 USE_GITHUB=	yes
 GH_PROJECT=	msgpack-c
 NO_ARCH=	yes
 
 CMAKE_OFF=	MSGPACK_BUILD_EXAMPLES MSGPACK_USE_BOOST
 
 # Link to original cmake files because upstream keeps changing its name.
 post-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/lib/cmake/msgpackc-cxx
 .for tgt in config-version config targets
 	${LN} -sf ../msgpack-cxx/msgpack-cxx-${tgt}.cmake \
 		${STAGEDIR}${PREFIX}/lib/cmake/msgpackc-cxx/msgpackc-cxx-${tgt}.cmake
 	${LN} -sf ../msgpack-cxx/msgpack-cxx-${tgt}.cmake \
 		${STAGEDIR}${PREFIX}/lib/cmake/msgpackc-cxx/msgpack-cxx-${tgt}.cmake
 .endfor
 
 .include <bsd.port.mk>
diff --git a/devel/msgpack-cxx/distinfo b/devel/msgpack-cxx/distinfo
index 41df55d61392..ba8fb14f4e89 100644
--- a/devel/msgpack-cxx/distinfo
+++ b/devel/msgpack-cxx/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1712057338
-SHA256 (msgpack-msgpack-c-cpp-6.1.1_GH0.tar.gz) = d7b119f292365d41403b41b40c2fefd82ebd81241e3c658fafe0e638fa54604a
-SIZE (msgpack-msgpack-c-cpp-6.1.1_GH0.tar.gz) = 474980
+TIMESTAMP = 1790330127
+SHA256 (msgpack-msgpack-c-cpp-9.0.0_GH0.tar.gz) = a72ff7471eb8adf8470a21aec33d70f184a20e215f167e2d4c38d56d9a377205
+SIZE (msgpack-msgpack-c-cpp-9.0.0_GH0.tar.gz) = 479550
diff --git a/devel/msgpack-cxx/files/patch-CMakeLists.txt b/devel/msgpack-cxx/files/patch-CMakeLists.txt
deleted file mode 100644
index 410359e3a954..000000000000
--- a/devel/msgpack-cxx/files/patch-CMakeLists.txt
+++ /dev/null
@@ -1,8 +0,0 @@
---- CMakeLists.txt.orig	2026-09-18 23:29:57 UTC
-+++ CMakeLists.txt
-@@ -1,4 +1,4 @@
--CMAKE_MINIMUM_REQUIRED (VERSION 3.1 FATAL_ERROR)
-+CMAKE_MINIMUM_REQUIRED (VERSION 3.5 FATAL_ERROR)
- 
- CMAKE_POLICY (SET CMP0054 NEW)
-