diff --git a/requirements.txt b/requirements.txt
index 6cfc43c..1b3bdb8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ idna==2.7
 isort==4.3.4
 kiwisolver==1.0.1
 lazy-object-proxy==1.3.1
-lxml==4.2.2
+lxml==4.6.5
 matplotlib==2.2.2
 mccabe==0.6.1
 mpl-finance==0.10.0