diff --git a/requirements.txt b/requirements.txt
index b294d6e..7c6fd0f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ Pillow>=10.2.0,<13.0.0
 exifread>=3.0.0,<4.0.0
 
 # For document metadata analysis (PDF, Office documents)
-pypdf>=5.0.0,<7.0.0
+pypdf>=6.13.3,<7.0.0
 python-docx>=0.8.11,<1.3.0
 openpyxl>=3.0.0,<4.0.0
 python-pptx>=0.6.21,<2.0.0