diff --git a/misc/py-langgraph-sdk/Makefile b/misc/py-langgraph-sdk/Makefile
index c7b0b070ac42..592f6166925b 100644
--- a/misc/py-langgraph-sdk/Makefile
+++ b/misc/py-langgraph-sdk/Makefile
@@ -1,27 +1,30 @@
 PORTNAME=	langgraph-sdk
-DISTVERSION=	0.3.11
+DISTVERSION=	0.4.0
 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} \
-		${PYTHON_PKGNAMEPREFIX}orjson>0:devel/py-orjson@${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 62aa114d5ade..f8f03cf60577 100644
--- a/misc/py-langgraph-sdk/distinfo
+++ b/misc/py-langgraph-sdk/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1773510805
-SHA256 (langgraph_sdk-0.3.11.tar.gz) = 3640134835d89d2c7c8bb7de73bd10673d4b282db3ff0e2fdaf1cee9e50cb1eb
-SIZE (langgraph_sdk-0.3.11.tar.gz) = 190387
+TIMESTAMP = 1780265655
+SHA256 (langgraph_sdk-0.4.0.tar.gz) = fd84612d215d6dca11cdfc8c0835df2910c7e51a0b0150b950fc7a928c76a2eb
+SIZE (langgraph_sdk-0.4.0.tar.gz) = 332481