diff --git a/requirements.txt b/requirements.txt
index 1d99c65..c9ec19a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ html5lib==1.1
 idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.2
-lxml==4.6.1
+lxml==4.6.5
 Mako==1.1.3
 MarkupSafe==1.1.1
 psycopg2==2.8.6