diff --git a/requirements.txt b/requirements.txt
index 7992e86..5d94877 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ ipaddress==1.0.18
 itsdangerous==0.24
 Jinja2==2.9.6
 librouteros==2.2.0
-lxml==4.4.1
+lxml==4.9.1
 MarkupSafe==1.0
 netaddr==0.7.19
 netmiko==2.4.2