diff --git a/requirements.txt b/requirements.txt
index 1cdc591..fddcd4a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ jupyter-core==4.11.2
 keyring==21.5.0
 lazy-object-proxy==1.4.3
 livereload==2.6.3
-lxml==4.9.1
+lxml==6.1.0
 MarkupSafe==1.1.1
 mccabe==0.6.1
 mistune==0.8.4