diff --git a/misc/py-langgraph-sdk/Makefile b/misc/py-langgraph-sdk/Makefile
index 592f6166925b..eed12bd8449e 100644
--- a/misc/py-langgraph-sdk/Makefile
+++ b/misc/py-langgraph-sdk/Makefile
@@ -1,30 +1,30 @@
 PORTNAME=	langgraph-sdk
-DISTVERSION=	0.4.0
+DISTVERSION=	0.4.2
 CATEGORIES=	misc python # machine-learning
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	${PORTNAME:S/-/_/}-${PORTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	LangGraph: SDK for interacting with LangGraph API
 WWW=		https://github.com/langchain-ai/langgraph/tree/main/libs/sdk-py
 
 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=	${PYTHON_PKGNAMEPREFIX}httpx>=0.25.2:www/py-httpx@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}langchain-core>=1.4.0:misc/py-langchain-core@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}langchain-protocol>=0.0.15:misc/py-langchain-protocol@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}orjson>0:devel/py-orjson@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}websockets>=14:devel/py-websockets@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	pep517 autoplist pytest
 
 NO_ARCH=	yes
 
 # tests as of 0.3.1: 4 failed, 41 passed, 1 warning in 0.41s (docs/cloud/reference/api/openapi.json missing, see https://github.com/langchain-ai/langgraph/issues/6647)
 
 .include <bsd.port.mk>
diff --git a/misc/py-langgraph-sdk/distinfo b/misc/py-langgraph-sdk/distinfo
index f8f03cf60577..7e7f1b72b9c2 100644
--- a/misc/py-langgraph-sdk/distinfo
+++ b/misc/py-langgraph-sdk/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1780265655
-SHA256 (langgraph_sdk-0.4.0.tar.gz) = fd84612d215d6dca11cdfc8c0835df2910c7e51a0b0150b950fc7a928c76a2eb
-SIZE (langgraph_sdk-0.4.0.tar.gz) = 332481
+TIMESTAMP = 1780378187
+SHA256 (langgraph_sdk-0.4.2.tar.gz) = b88f0f5f6328ac0680d6790614a905b2bcfa257f2276dba4e38f0e86db0aa738
+SIZE (langgraph_sdk-0.4.2.tar.gz) = 348327