diff --git a/LogicApps-AI-RAG-Demo/TokenizeDocFunction/requirements.txt b/LogicApps-AI-RAG-Demo/TokenizeDocFunction/requirements.txt
index 1387373..83e94f9 100644
--- a/LogicApps-AI-RAG-Demo/TokenizeDocFunction/requirements.txt
+++ b/LogicApps-AI-RAG-Demo/TokenizeDocFunction/requirements.txt
@@ -5,4 +5,4 @@
 azure-functions
 langchain==0.0.326
 tiktoken==0.5.1
-pypdf==3.15.5
+pypdf==6.4.0