From b860ff835febf525aa788e492909356542363636 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Wed, 8 Apr 2026 23:39:39 +0000
Subject: [PATCH] Bump the pip group across 1 directory with 2 updates

Bumps the pip group with 2 updates in the /backend directory: [langchain-core](https://github.com/langchain-ai/langchain) and [biopython](https://github.com/biopython/biopython).


Updates `langchain-core` from 1.2.11 to 1.2.28
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/compare/langchain-core==1.2.11...langchain-core==1.2.28)

Updates `biopython` from 1.86 to 1.87
- [Changelog](https://github.com/biopython/biopython/blob/master/NEWS.rst)
- [Commits](https://github.com/biopython/biopython/commits)

---
updated-dependencies:
- dependency-name: langchain-core
  dependency-version: 1.2.28
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: biopython
  dependency-version: '1.87'
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 backend/requirements.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backend/requirements.txt b/backend/requirements.txt
index e25f5982..a3957c2c 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -51,7 +51,7 @@ requests==2.33.0
 
 # Agent framework dependencies
 langchain==1.2.7
-langchain-core==1.2.11
+langchain-core==1.2.28
 langchain-google-genai==4.2.0
 
 # OAuth
@@ -59,7 +59,7 @@ Authlib==1.6.9
 itsdangerous==2.2.0
 
 #Citation search
-biopython==1.86
+biopython==1.87
 clean-text==0.7.1
 azure-functions==1.24.0