diff --git a/backend/requirements.txt b/backend/requirements.txt
index 83cfd8dcd..53c5fbc81 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -30,7 +30,7 @@ openai
 anthropic
 google-generativeai==0.5.4
 
-langchain==0.2.0
+langchain==0.2.6
 langchain-community==0.2.6
 langchain-chroma==0.1.2