diff --git a/backend/requirements.txt b/backend/requirements.txt
index 625b438e..95f93c8c 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -151,6 +151,7 @@ itsdangerous==2.2.0
     #   quart
 jinja2==3.1.6
     # via
+    #   -r requirements.in
     #   flask
     #   quart
 markupsafe==2.1.5
@@ -346,9 +347,7 @@ pyjwt[crypto]==2.8.0
     #   pyjwt
 pymupdf==1.24.7
     # via -r requirements.in
-pymupdfb==1.24.6
-    # via pymupdf
-pypdf==4.2.0
+pypdf==6.6.2
     # via -r requirements.in
 python-dateutil==2.9.0.post0
     # via