diff --git a/requirements.txt b/requirements.txt
index 9b63c4f..07aed27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -83,7 +83,7 @@ jupyter-core==4.7.1
 jupyterlab-pygments==0.1.2
 jupyterlab-widgets==1.0.0
 kiwisolver==1.1.0
-lxml==4.6.2
+lxml==4.9.1
 lyricsgenius==1.8.2
 MarkupSafe==1.1.1
 mathparse==0.1.2