diff --git a/requirements.txt b/requirements.txt
index 794aac3..b757844 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ gunicorn==20.0.4
 idna==2.9
 itsdangerous==1.1.0
 Jinja2==2.11.2
-lxml==4.5.0
+lxml==4.6.3
 MarkupSafe==1.1.1
 parse==1.15.0
 pyee==7.0.1