diff --git a/requirements.txt b/requirements.txt
index f444308..bfe3dae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ Jinja2==2.8
 juggernaut==0.2
 kombu==4.0.2
 korean==0.1.8
-lxml==3.7.2
+lxml==4.9.1
 MarkupSafe==0.23
 Naked==0.1.31
 newrelic==2.72.1.53