diff --git a/requirements.txt b/requirements.txt
index 4a21023..f27d682 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ djangorestframework==3.6.4
 idna==2.6
 jsonfield==1.0.3
 kombu==4.1.0
-lxml==3.6.0
+lxml==4.6.5
 mccabe==0.3.1
 oauthlib==2.0.2
 pinax-stripe==3.4.1