diff --git a/requirements/common.txt b/requirements/common.txt
index cc55db8..f037ae6 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -23,7 +23,7 @@ inflection==0.4.0
 itypes==1.2.0
 Jinja2==2.11.2
 kombu==4.6.8
-lxml==4.4.1
+lxml==4.9.1
 MarkupSafe==1.1.1
 packaging==20.3
 psycopg2-binary==2.8.3