diff --git a/requirements.txt b/requirements.txt
index 85c2ecf..66cc6eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 azure-ai-documentintelligence==1.0.1
 azure-search-documents==11.6.0b4
 python-dotenv==1.0.0
-langchain==0.2.1
+langchain==0.3.30
 langchain-text-splitters==0.2.4
 openai==1.75.0
 tiktoken==0.7.0