diff --git a/ch05/requirements.txt b/ch05/requirements.txt
index 02ca4c8..7ca1e2b 100644
--- a/ch05/requirements.txt
+++ b/ch05/requirements.txt
@@ -2,6 +2,6 @@ jinja2==3.1.6
 mistune==3.2.0
 python-docx==1.2.0
 fpdf2==2.8.5
-pypdf==6.6.2
+pypdf==6.7.4
 Pillow==12.1.0
 pdf2image==1.17.0