diff --git a/app/backend/requirements.txt b/app/backend/requirements.txt
index 4029e3338f..1c3a612147 100644
--- a/app/backend/requirements.txt
+++ b/app/backend/requirements.txt
@@ -352,7 +352,7 @@ pyjwt[crypto]==2.10.1
     #   msal
 pymupdf==1.26.0
     # via -r requirements.in
-pypdf==4.3.1
+pypdf==6.0.0
     # via -r requirements.in
 python-dotenv==1.1.1
     # via