diff --git a/langchain-0.3.25.tar.gz b/langchain-0.3.27.tar.gz
similarity index 66%
rename from langchain-0.3.25.tar.gz
rename to langchain-0.3.27.tar.gz
index f48c12dbbdbaec88b80d8dbf928889b434ffb375..a3b2eee48c4486e1b5b2e94c725f70ee79cdc7df 100644
Binary files a/langchain-0.3.25.tar.gz and b/langchain-0.3.27.tar.gz differ
diff --git a/python-langchain.spec b/python-langchain.spec
index ab1a4eb1b5dbe47c14f04eac6b676735501aa9ba..f5cf3db6b0b73135911a8a919022b861f230d431 100644
--- a/python-langchain.spec
+++ b/python-langchain.spec
@@ -1,11 +1,11 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-langchain
-Version:	0.3.25
+Version:	0.3.27
 Release:	1
 Summary:	Building applications with LLMs through composability
 License:	MIT
 URL:		https://pypi.org/project/langchain/
-Source0:	https://files.pythonhosted.org/packages/fc/f9/a256609096a9fc7a1b3a6300a97000091efabdf21555a97988f93d4d9258/langchain-0.3.25.tar.gz
+Source0:	%{pypi_source langchain}
 BuildArch:	noarch
 
 Requires:	(python3-langchain-core<1.0.0 with python3-langchain-core>=0.3.58)
@@ -49,7 +49,7 @@ BuildRequires:  python-pdm-backend
 Large language models (LLMs) are emerging as a transformative technology, enabling developers to build applications that they previously could not. However, using these LLMs in isolation is often insufficient for creating a truly powerful app - the real power comes when you can combine them with other sources of computation or knowledge.
 
 %prep
-%autosetup -n langchain-0.3.25
+%autosetup -n langchain-%{version}
 
 %build
 %pyproject_build
@@ -84,5 +84,8 @@ mv %{buildroot}/doclist.lst .
 %{python3_sitelib}/*
 
 %changelog
+* Thu Oct 09 2025 li_zhi <li_zhi@hoperun.com> - 0.3.27-1
+- Update package with version 0.3.27
+
 * Sat May 10 2025 Python_Bot <Python_Bot@openeuler.org> - 0.3.25-1
 - Package Spec generated