diff --git a/src/functionapp/requirements.txt b/src/functionapp/requirements.txt
index ca3fc0c..5a6377b 100644
--- a/src/functionapp/requirements.txt
+++ b/src/functionapp/requirements.txt
@@ -9,7 +9,7 @@ azure-ai-documentintelligence==1.0.0b3
 azure-identity==1.17.1
 PyMuPDF==1.24.7
 PyPDF2==3.0.1
-langchain==0.2.6
+langchain==0.3.0
 langchain_core==0.2.10
 langchain_community==0.2.6
 langchain_openai==0.1.10