diff --git a/requirements.txt b/requirements.txt
index 39eff78a..bfbcecc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ flask-babel==2.0.0
 flask==1.1.2
 idna==2.10
 jinja2==2.11.3
-lxml==4.6.2
+lxml==4.6.3
 pygments==2.8.0
 python-dateutil==2.8.1
 pyyaml==5.4.1