diff --git a/requirements.txt b/requirements.txt
index b26e09a..b4fd756 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ autopep8==1.4.4
 coverage==4.5.4
 isort==4.3.21
 lazy-object-proxy==1.4.3
-lxml==4.4.1
+lxml==4.6.5
 mccabe==0.6.1
 mypy==0.740
 mypy-extensions==0.4.3