diff --git a/docs/notebook_requirements.txt b/docs/notebook_requirements.txt
index fc5b1b29..14585bbc 100644
--- a/docs/notebook_requirements.txt
+++ b/docs/notebook_requirements.txt
@@ -22,7 +22,7 @@ jupyter-client==8.6.2
 jupyter-console==6.6.3
 jupyter-core==5.7.2
 jupyterlab-pygments==0.3.0
-lxml==5.3.0
+lxml==6.1.0
 MarkupSafe==2.1.5
 mistune==3.0.2
 nbclient==0.10.0