diff --git a/requirements.txt b/requirements.txt
index 8b2576d..7f42863 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ html5lib==1.1.0
 idna==2.9
 itsdangerous==1.1.0
 Jinja2==2.11.3
-lxml==4.6.5
+lxml==4.9.1
 MarkupSafe==1.1.1
 python-dateutil==2.8.2
 requests==2.26.0