diff --git a/deploy/requirements.txt b/deploy/requirements.txt
index 95377c21..f216d421 100644
--- a/deploy/requirements.txt
+++ b/deploy/requirements.txt
@@ -37,7 +37,7 @@ jdcal==1.4.1
 jinja2==2.11.3
 jsonschema==3.2.0
 ldap3==2.8.1
-lxml==4.6.3
+lxml==4.6.5
 mako==1.1.3
 markdown==3.3.3
 markupsafe==1.1.1