diff --git a/requirements.txt b/requirements.txt
index 9671482..e11a471 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask==2.0.1
 idna==3.3
 itsdangerous==2.0.1
 Jinja2==3.0.1
-lxml==4.8.0
+lxml==4.9.1
 MarkupSafe==2.0.1
 requests==2.27.1
 urllib3==1.26.8