diff --git a/misc/py-langsmith/Makefile b/misc/py-langsmith/Makefile
index c0cda930e08c..ecfa5931e2d3 100644
--- a/misc/py-langsmith/Makefile
+++ b/misc/py-langsmith/Makefile
@@ -1,27 +1,29 @@
 PORTNAME=	langsmith
 DISTVERSION=	0.4.6
+PORTREVISION=	1
 CATEGORIES=	misc python # machine-learning
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Library to connect to the LangSmith LLM Tracing & Evaluation Platform
 WWW=		https://smith.langchain.com/ \
 		https://github.com/langchain-ai/langsmith-sdk/tree/main/python
 
 LICENSE=	MIT
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}poetry-core>0:devel/py-poetry-core@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}httpx>=0.28.1:www/py-httpx@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}orjson>=3.9.14:devel/py-orjson@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pydantic2>0:devel/py-pydantic2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>0:www/py-requests@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}requests-toolbelt>0:www/py-requests-toolbelt@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}requests-toolbelt>0:www/py-requests-toolbelt@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}zstandard>=0.23.0:archivers/py-zstandard@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	pep517 autoplist
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>