diff --git a/Oracle-23ai-RAG-Chatbot/requirements.txt b/Oracle-23ai-RAG-Chatbot/requirements.txt
index 71e0c48..d761008 100644
--- a/Oracle-23ai-RAG-Chatbot/requirements.txt
+++ b/Oracle-23ai-RAG-Chatbot/requirements.txt
@@ -178,7 +178,7 @@ PyMuPDFb==1.23.22
 pynndescent==0.5.11
 pyOpenSSL==24.1.0
 pyparsing==3.1.2
-pypdf==4.1.0
+pypdf==6.4.0
 python-dateutil==2.9.0.post0
 python-json-logger==2.0.7
 python-jsonschema-objects==0.5.4