From f568065a6183409e0a251030bcd4c477a3bc2823 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Tue, 8 Sep 2026 13:25:16 +0000
Subject: [PATCH] build(deps): Bump langchain from 1.3.15 to 1.4.0

Bumps [langchain](https://github.com/langchain-ai/langchain) from 1.3.15 to 1.4.0.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/compare/langchain==1.3.15...langchain==1.4.0)

---
updated-dependencies:
- dependency-name: langchain
  dependency-version: 1.3.18
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 uv.lock | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/uv.lock b/uv.lock
index adc0d98..bc674d4 100644
--- a/uv.lock
+++ b/uv.lock
@@ -795,21 +795,21 @@ wheels = [
 
 [[package]]
 name = "langchain"
-version = "1.3.15"
+version = "1.4.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
     { name = "langgraph" },
     { name = "pydantic" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/6a/1c/b84579174a8e82ed79f4c3e0cd5a7f2323facc5ccd4d1b8390e7d175b663/langchain-1.3.15.tar.gz", hash = "sha256:ab4b775b9703f7e37babe0b325dbbaef25573bda60ecf79f7850bc875f252795", size = 665047, upload-time = "2026-08-11T19:10:52.455Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/c4/5d/0ef368fdcf5df08a394787196fb7a80f473a9c7b3fc4cd2e3b53a7a5853d/langchain-1.4.0.tar.gz", hash = "sha256:08da122a439f738f4c09a5158cfa3d2c1d8bea2d0bde7fbbf4aeb4d7f7fd9d80", size = 729354, upload-time = "2026-09-03T16:59:32.442Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/09/8d/ae721f4d68ff79a17110cabc9cb39b4568b0e3f1fe0a379b926c3f81d175/langchain-1.3.15-py3-none-any.whl", hash = "sha256:c0d2d0d51ed7da249e8ab7487173872059a9dd46fb071d905957485b7334f987", size = 147001, upload-time = "2026-08-11T19:10:50.846Z" },
+    { url = "https://files.pythonhosted.org/packages/92/fa/7da07d9977a5e292ef602c1bb911514ff8206e85dc09a66961874345d57a/langchain-1.4.0-py3-none-any.whl", hash = "sha256:af1dc0161d30944a52ec7844d9bf890d0497b12ec0703069f3503b4003cbbac3", size = 161534, upload-time = "2026-09-03T16:59:31.154Z" },
 ]
 
 [[package]]
 name = "langchain-core"
-version = "1.5.6"
+version = "1.6.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "httpx" },
@@ -823,9 +823,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/27/b9/893806b89f77e1271fe6e10ce41682ff5fe43d071564e1d8e39dbb5d4d6d/langchain_core-1.5.6.tar.gz", hash = "sha256:b5f73bd9688c457b31ec73657a0ad56948f889fae27acee79286e9c285632ee6", size = 984873, upload-time = "2026-08-17T21:26:35.921Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/89/7b/406b4a8dd43dd01f69e04aafdee206809a2097134b2f944e12802eae7948/langchain_core-1.6.2.tar.gz", hash = "sha256:1ec6d3a98f7c8cdbb5bb0deff86e7ca37e16bf4f8f49f022d10723656c62352d", size = 1004390, upload-time = "2026-09-04T21:29:22.769Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/5d/0a/890504397885c9d1ae45f2e06c3000dd9f4445439602b6a990a88b32c0ac/langchain_core-1.5.6-py3-none-any.whl", hash = "sha256:d6cf37bf695ecc22cddeb8461a684e353190b2ce430d99eb22bc11c0c7c00ea5", size = 567016, upload-time = "2026-08-17T21:26:34.595Z" },
+    { url = "https://files.pythonhosted.org/packages/a8/62/d3fb7c215cb2f237c3fe84880bf347a38deafef6033b6d5f1339ba8ca401/langchain_core-1.6.2-py3-none-any.whl", hash = "sha256:21e6c7cf097c68b777fd69ea00864f09bd9ca76ac73e3e3fa14e1ee366eb4711", size = 571690, upload-time = "2026-09-04T21:29:21.175Z" },
 ]
 
 [[package]]