diff --git a/backend/requirements.txt b/backend/requirements.txt
index 2663e01..5f10db4 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -18,7 +18,7 @@ httpx==0.16.1
 idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.2
-lxml==4.6.1
+lxml==4.6.5
 Mako==1.1.3
 MarkupSafe==1.1.1
 marshmallow==3.8.0