diff --git a/samples/document_explorer/multi-doc-mod/lambda/aws-qa-custom/question_answering/src/requirements.txt b/samples/document_explorer/multi-doc-mod/lambda/aws-qa-custom/question_answering/src/requirements.txt
index 3d236ea..67a7cfc 100644
--- a/samples/document_explorer/multi-doc-mod/lambda/aws-qa-custom/question_answering/src/requirements.txt
+++ b/samples/document_explorer/multi-doc-mod/lambda/aws-qa-custom/question_answering/src/requirements.txt
@@ -10,4 +10,4 @@ requests-aws4auth==1.2.3
 opensearch-py==2.4.2
 numpy
 langchain==0.2.11
-langchain-community==0.2.9
+langchain-community==0.2.19