diff --git a/requirements.txt b/requirements.txt
index 3127cd4..b21db3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ gunicorn==20.0.4
 idna==2.9
 itsdangerous==1.1.0
 Jinja2==2.11.2
-lxml==4.5.1
+lxml==4.6.3
 MarkupSafe==1.1.1
 PyJWT==1.7.1
 pytz==2020.1