diff --git a/backend/requirements.txt b/backend/requirements.txt
index 267f9a7..d8cd715 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -5,7 +5,7 @@ alembic==1.14.1
 pydantic==2.10.4
 pydantic-settings==2.7.1
 python-multipart==0.0.20
-mammoth==1.8.0
+mammoth==1.11.0
 python-docx==1.1.2
 markdown==3.10.1
 httpx==0.28.1