diff --git a/demo-python/code/data-chunking/requirements.txt b/demo-python/code/data-chunking/requirements.txt
index 2bf5ccb..d4f9f78 100644
--- a/demo-python/code/data-chunking/requirements.txt
+++ b/demo-python/code/data-chunking/requirements.txt
@@ -78,7 +78,7 @@ pydantic_core==2.16.1
 Pygments==2.17.2
 PyJWT==2.8.0
 pyparsing==3.1.1
-pypdf==4.0.1
+pypdf==6.15.0
 python-dateutil==2.8.2
 python-dotenv==1.0.0
 pywin32==306