diff --git a/requirements.txt b/requirements.txt
index d11ab1f..b956392 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ isort==4.3.4
 itsdangerous==1.1.0
 Jinja2==2.10
 lazy-object-proxy==1.3.1
-lxml==4.2.5
+lxml==4.6.3
 MarkupSafe==1.1.0
 mccabe==0.6.1
 olefile==0.46