diff --git a/langsmith-0.3.42.tar.gz b/langsmith-0.3.42.tar.gz
deleted file mode 100644
index 19fba922df6cb13def499073a82833df625b1c30..0000000000000000000000000000000000000000
Binary files a/langsmith-0.3.42.tar.gz and /dev/null differ
diff --git a/langsmith-0.4.39.tar.gz b/langsmith-0.4.39.tar.gz
new file mode 100644
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diff --git a/python-langsmith.spec b/python-langsmith.spec
index c6a7f31e9008526fecacd9a6ab59b25631a0c742..c99bd9f76a4d2d9142be57842d2fa83834272098 100644
--- a/python-langsmith.spec
+++ b/python-langsmith.spec
@@ -1,11 +1,11 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-langsmith
-Version:	0.3.42
+Version:	0.4.39
 Release:	1
 Summary:	Client library to connect to the LangSmith LLM Tracing and Evaluation Platform.
 License:	MIT
 URL:		https://smith.langchain.com/
-Source0:	https://files.pythonhosted.org/packages/3a/44/fe171c0b0fb0377b191aebf0b7779e0c7b2a53693c6a01ddad737212495d/langsmith-0.3.42.tar.gz
+Source0:	https://files.pythonhosted.org/packages/source/l/langsmith/langsmith-%{version}.tar.gz
 BuildArch:	noarch
 
 Requires:	(python3-httpx)
@@ -34,11 +34,13 @@ BuildRequires:	python3-setuptools
 BuildRequires:	python3-pip
 BuildRequires:	python3-wheel
 BuildRequires:  python3-poetry-core
+BuildRequires:  python3-hatchling
+
 %description -n python3-langsmith
 This package contains the Python client for interacting with the [LangSmith platform](https://smith.langchain.com/).
 
 %prep
-%autosetup -n langsmith-0.3.42
+%autosetup -n langsmith-%{version}
 
 %build
 %pyproject_build
@@ -71,7 +73,14 @@ mv %{buildroot}/doclist.lst .
 
 %files -n python3-langsmith -f filelist.lst
 %{python3_sitelib}/*
+%{_docdir}/*
 
 %changelog
+* Mon Nov 03 2025 Yu Peng <yupeng@kylinos.cn> - 0.4.39-1
+- Upgrade to 0.4.39 
+  * Upgraded hono from version 4.7.6 to 4.9.7, addressing a security issue related to the bodyLimit middleware.
+  * Allowed customization of the base authentication URL to enhance flexibility.
+  * Pinned the ‘ty’ dependency to a stable version using ‘uv’ to prevent unexpected linting failures.
+
 * Thu May 08 2025 Python_Bot <Python_Bot@openeuler.org> - 0.3.42-1
 - Package Spec generated