diff --git a/requirements.txt b/requirements.txt
index 598d306..f07647f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ gunicorn==19.7.1
 idna==2.6
 itsdangerous==0.24
 Jinja2==2.10
-lxml==4.2.0
+lxml==4.6.2
 MarkupSafe==1.0
 more-itertools==4.0.1
 pipreqs==0.4.9