diff --git a/lambda/summarization/document_reader/requirements.txt b/lambda/summarization/document_reader/requirements.txt
index 8aa61b3..98ab721 100644
--- a/lambda/summarization/document_reader/requirements.txt
+++ b/lambda/summarization/document_reader/requirements.txt
@@ -1,5 +1,5 @@
 redis
-pypdf==4.2.0
+pypdf==6.4.0
 langchain==0.2.5
 langchain-community==0.2.5
 urllib3<2