From 0fbf357ff6609670ac77fedbfc1dbb69f07c4e6d Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Sat, 20 Jun 2026 04:27:39 +0000
Subject: [PATCH] chore(deps)(deps): bump langchain from 1.2.18 to 1.3.9

Bumps [langchain](https://github.com/langchain-ai/langchain) from 1.2.18 to 1.3.9.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/compare/langchain==1.2.18...langchain==1.3.9)

---
updated-dependencies:
- dependency-name: langchain
  dependency-version: 1.3.9
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 requirements.txt | 2 +-
 setup.py         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/requirements.txt b/requirements.txt
index b561ebc..4c86e0b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # Core dependencies - pinned to specific versions for fast, reliable installs
 pydantic==2.13.4
 langchain-core==1.3.3
-langchain==1.2.18
+langchain==1.3.9
 langchain-openai==1.2.1
 langchain-anthropic==1.4.3
 langchain-google-genai==4.2.2
diff --git a/setup.py b/setup.py
index 3900f5b..57915e8 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
     install_requires=[
         "pydantic==2.13.4",
         "langchain-core==1.3.3",
-        "langchain==1.2.18",
+        "langchain==1.3.9",
         "langchain-openai==1.2.1",
         "langchain-anthropic==1.4.3",
         "langchain-google-genai==4.2.2",