diff --git a/backend/requirements.txt b/backend/requirements.txt
index af9a826..a77c0a8 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -11,6 +11,6 @@ pydantic==2.8.2
 python-dotenv==1.0.1
 orjson==3.10.7
 anyio==4.4.0
-langchain-text-splitters==0.2.2
+langchain-text-splitters==0.3.9
 python-multipart
 pypdf==5.0.0 
\ No newline at end of file