diff --git a/backend/etl_service/requirements.txt b/backend/etl_service/requirements.txt
index f2e1641..f36c1fd 100644
--- a/backend/etl_service/requirements.txt
+++ b/backend/etl_service/requirements.txt
@@ -34,7 +34,7 @@ Jinja2==2.11.1
 jmespath==0.9.4
 jsonschema==3.2.0
 kafka-python==2.0.1
-lxml==4.5.0
+lxml==4.6.3
 MarkupSafe==1.1.1
 multidict==4.7.5
 netifaces==0.10.6