diff --git a/lambda/aws-summarization-appsync-stepfn/document_reader/requirements.txt b/lambda/aws-summarization-appsync-stepfn/document_reader/requirements.txt
index 71250c16..59e25b8c 100644
--- a/lambda/aws-summarization-appsync-stepfn/document_reader/requirements.txt
+++ b/lambda/aws-summarization-appsync-stepfn/document_reader/requirements.txt
@@ -1,6 +1,6 @@
 redis
 pypdf2
-langchain==0.0.317
+langchain==0.0.325
 urllib3<2
 aws-xray-sdk
 aws-lambda-powertools