diff --git a/requirements.txt b/requirements.txt
index 20052d1..0c8a063 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ chardet==3.0.4
 cryptography==2.3
 idna==2.7
 Jinja2==2.10
-lxml==4.2.4
+lxml==4.6.5
 MarkupSafe==1.0
 ncclient==0.6.0
 paramiko>=2.4.2