diff --git a/requirements.txt b/requirements.txt
index 262c97d..c28a904 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-lxml==4.9.1
+lxml==6.1.0
 slack==0.0.2
 slackclient==2.5.0
 bs4==0.0.1