diff --git a/requirements.txt b/requirements.txt
index 25eabc1..f8be5d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ openai==2.8.1
 azure-ai-projects==2.1.0
 
 # PDF processing — document extraction and chunking
-pypdf==6.14.2
+pypdf==6.16.1
 
 # Environment variable loading (foundry helpers)
 python-dotenv==1.2.2