From f01af4efcd3f10d5208a4942bd51a86d1277eb75 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Thu, 25 Jun 2026 20:40:38 +0000
Subject: [PATCH] chore(deps): bump langchain from 1.3.9 to 1.3.11 in
 /backend/fastapi

Bumps [langchain](https://github.com/langchain-ai/langchain) from 1.3.9 to 1.3.11.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/compare/langchain==1.3.9...langchain==1.3.11)

---
updated-dependencies:
- dependency-name: langchain
  dependency-version: 1.3.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 backend/fastapi/pyproject.toml | 2 +-
 backend/fastapi/uv.lock        | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/backend/fastapi/pyproject.toml b/backend/fastapi/pyproject.toml
index b10266e9..6c1f99eb 100644
--- a/backend/fastapi/pyproject.toml
+++ b/backend/fastapi/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
     "pydantic==2.13.4",
     "openai==2.41.1",
     "python-dotenv==1.2.2",
-    "langchain==1.3.9",
+    "langchain==1.3.11",
     "langchain-core>=1.4.0",
     "langchain-openai>=1.3.2",
     "langsmith>=0.8.0",
diff --git a/backend/fastapi/uv.lock b/backend/fastapi/uv.lock
index 0c0ec344..428408a9 100644
--- a/backend/fastapi/uv.lock
+++ b/backend/fastapi/uv.lock
@@ -961,16 +961,16 @@ sdist = { url = "https://files.pythonhosted.org/packages/77/59/28403890c5f757254
 
 [[package]]
 name = "langchain"
-version = "1.3.9"
+version = "1.3.11"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
     { name = "langgraph" },
     { name = "pydantic" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/56/7c/651d0dc4913a7a892156c03dd343b99cfe19ee729e6911ab1f4fe7567b8b/langchain-1.3.9.tar.gz", hash = "sha256:9b14ef0db9ef314299ded858b22ca2a40b8f1b05c8c9cb6b82d53a53075fef00", size = 631514, upload-time = "2026-06-12T16:53:27.083Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/b9/a2/91a7197c604a3ce1b774b3c10dd114c3c745c6186a304fc2573b3f94d400/langchain-1.3.11.tar.gz", hash = "sha256:f3cf9cd4d2329b1a03eb8fd92b9d73e4e58a4d52570d67725fc77fbe0f104b32", size = 633374, upload-time = "2026-06-22T23:00:33.44Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/b7/55/3481619d21b9bdfbfda8680fba5cfc6cfe926789b8eaaad95353078cfa20/langchain-1.3.9-py3-none-any.whl", hash = "sha256:4af49ad1095799e4408b489fb79d4b8b49292453618b202d8a697fca59bb6871", size = 132873, upload-time = "2026-06-12T16:53:25.489Z" },
+    { url = "https://files.pythonhosted.org/packages/df/a4/3a181967294f8876362cc4ba36840d50b8286fa23bb3f5e602b69eb3cb1e/langchain-1.3.11-py3-none-any.whl", hash = "sha256:7ae011f95a09b22feea1e8ae4e43f0b6164aebf4c61b8ad845b45f72ff3a90a2", size = 133639, upload-time = "2026-06-22T23:00:31.619Z" },
 ]
 
 [[package]]
@@ -3399,7 +3399,7 @@ requires-dist = [
     { name = "boto3", specifier = ">=1.43.29" },
     { name = "fastapi", specifier = "==0.136.3" },
     { name = "kiwipiepy", specifier = ">=0.23.2" },
-    { name = "langchain", specifier = "==1.3.9" },
+    { name = "langchain", specifier = "==1.3.11" },
     { name = "langchain-core", specifier = ">=1.4.0" },
     { name = "langchain-openai", specifier = ">=1.3.2" },
     { name = "langgraph", specifier = ">=1.1.3" },