diff --git a/backend/requirements.txt b/backend/requirements.txt
index 625b438e..76e7c942 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
@@ -346,8 +347,6 @@ pyjwt[crypto]==2.8.0
     #   pyjwt
 pymupdf==1.24.7
     # via -r requirements.in
-pymupdfb==1.24.6
-    # via pymupdf
 pypdf==4.2.0
     # via -r requirements.in
 python-dateutil==2.9.0.post0
@@ -425,7 +424,7 @@ typing-extensions==4.12.2
     #   pydantic-core
 tzdata==2024.1
     # via pendulum
-urllib3==2.2.2
+urllib3==2.6.0
     # via requests
 uvicorn==0.30.1
     # via -r requirements.in