diff --git a/misc/py-langgraph-checkpoint/Makefile b/misc/py-langgraph-checkpoint/Makefile
index 359ee4de9116..1a4fb3c0e525 100644
--- a/misc/py-langgraph-checkpoint/Makefile
+++ b/misc/py-langgraph-checkpoint/Makefile
@@ -1,34 +1,34 @@
 PORTNAME=	langgraph-checkpoint
-DISTVERSION=	3.0.1
+DISTVERSION=	4.0.0
 CATEGORIES=	misc python # machine-learning
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	${PORTNAME:S/-/_/}-${PORTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	LangGraph: Base interfaces for LangGraph checkpoint savers
 WWW=		https://github.com/langchain-ai/langgraph
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}hatchling>0:devel/py-hatchling@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}langchain-core>=0.2.38:misc/py-langchain-core@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}ormsgpack>=1.10.0:devel/py-ormsgpack@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}ormsgpack>=1.12.0:devel/py-ormsgpack@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dataclasses-json>0:devel/py-dataclasses-json@${PY_FLAVOR} \
 		${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}pandas-stubs>=2.2.2.240807:math/py-pandas-stubs@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pandas>0:math/py-pandas@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-asyncio>0:devel/py-pytest-asyncio@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-mock>0:devel/py-pytest-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-watcher>0:devel/py-pytest-watcher@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}redis>0:databases/py-redis@${PY_FLAVOR} # math/py-pandas-stubs isn't ported yet
 
 USES=		python
 USE_PYTHON=	pep517 autoplist
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/misc/py-langgraph-checkpoint/distinfo b/misc/py-langgraph-checkpoint/distinfo
index 872296d5c43a..408cb3edca68 100644
--- a/misc/py-langgraph-checkpoint/distinfo
+++ b/misc/py-langgraph-checkpoint/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1763929489
-SHA256 (langgraph_checkpoint-3.0.1.tar.gz) = 59222f875f85186a22c494aedc65c4e985a3df27e696e5016ba0b98a5ed2cee0
-SIZE (langgraph_checkpoint-3.0.1.tar.gz) = 137785
+TIMESTAMP = 1768799255
+SHA256 (langgraph_checkpoint-4.0.0.tar.gz) = 814d1bd050fac029476558d8e68d87bce9009a0262d04a2c14b918255954a624
+SIZE (langgraph_checkpoint-4.0.0.tar.gz) = 137320