diff --git a/requirements.txt b/requirements.txt
index ee6d8db..b89be3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -163,7 +163,7 @@ lazy-object-proxy==1.5.1
 ldap3==2.8.1
 line-counter==0.7.4
 lockfile==0.12.2
-lxml==4.6.2
+lxml==4.6.3
 Mako==1.1.3
 Markdown==3.1.1
 MarkupSafe==1.1.1