diff --git a/requirements.txt b/requirements.txt
index d47bd6c..236b872 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10.3
-lxml==4.4.1
+lxml==4.6.2
 MarkupSafe==1.1.1
 numpy==1.17.3
 pandas==0.25.2