diff --git a/requirements.txt b/requirements.txt
index 4d26c56..9319049 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ json-merge-patch==0.2
 jsonschema==3.2.0
 lazy-object-proxy==1.4.3
 lockfile==0.12.2
-lxml==4.5.0
+lxml==4.6.2
 Mako==1.1.2
 Markdown==2.6.11
 MarkupSafe==1.1.1