diff --git a/requirements.txt b/requirements.txt
index 36b2a01..fd23ef7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 requests>=2.5.0,<3.0
 websocket-client==0.44.0
 beautifulsoup4==4.6.0
-lxml==4.6.5
+lxml==6.1.0
 jinja2>=2.10.1
 slackclient==1.3.1
 slack_sdk==3.34.0
\ No newline at end of file