diff --git a/backend/requirements/default.txt b/backend/requirements/default.txt
index aa943bff8cc..3cb3aab0cc9 100644
--- a/backend/requirements/default.txt
+++ b/backend/requirements/default.txt
@@ -62,7 +62,7 @@ PyGithub==2.5.0
 python-dateutil==2.8.2
 python-gitlab==5.6.0
 python-pptx==0.6.23
-pypdf==5.4.0
+pypdf==6.6.2
 pytest-mock==3.12.0
 pytest-playwright==0.7.0
 python-docx==1.1.2