diff --git a/requirements-lock.txt b/requirements-lock.txt
index 4132fca..e33cf30 100644
--- a/requirements-lock.txt
+++ b/requirements-lock.txt
@@ -1,5 +1,5 @@
 PySide6==6.11.1
-pypdf==6.21.2
+pypdf==6.21.4
 pikepdf==10.9.1
 PyMuPDF==1.27.2.3
 pdf2image==1.17.0