diff --git a/requirements.txt b/requirements.txt
index 9f81f3d5..df29c852 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -78,7 +78,7 @@ jmespath==0.9.0
 json-table-schema==0.2.1
 kombu==4.0.0
 logging-tree==1.7
-lxml==3.4.4
+lxml==4.9.1
 Mako==1.0.2
 MarkupSafe==0.23
 messytables==0.15.0