diff --git a/requirements.txt b/requirements.txt
index 1a16458a..189630db 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ babel==2.9.1
 flask-babel==2.0.0
 flask==2.0.2
 jinja2==3.0.3
-lxml==4.6.5
+lxml==4.7.1
 pygments==2.10.0
 python-dateutil==2.8.2
 pyyaml==6.0