diff --git a/backend/requirements.txt b/backend/requirements.txt
index 6708e571fd..9a4288b42e 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -45,7 +45,7 @@ google-genai==1.38.0
 google-generativeai==0.8.5
 
 langchain==0.3.27
-langchain-community==0.3.29
+langchain-community==0.4.1
 
 fake-useragent==2.2.0
 chromadb==1.1.0