diff --git a/backend/requirements.txt b/backend/requirements.txt
index 52aa54f..f5d69e6 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -5,7 +5,7 @@ fastapi==0.42.0
 h11==0.8.1
 httptools==0.0.13
 idna==2.8
-lxml==4.4.1
+lxml==4.9.1
 pydantic==0.32.2
 requests==2.22.0
 starlette==0.12.9