diff --git a/requirements_new.txt b/requirements_new.txt
index 9e0431f..0fcab44 100644
--- a/requirements_new.txt
+++ b/requirements_new.txt
@@ -83,7 +83,7 @@ jupyterlab-launcher==0.10.2
 lazy-object-proxy==1.3.1
 llvmlite==0.27.0
 locket==0.2.0
-lxml==4.1.1
+lxml==4.9.1
 MarkupSafe==1.0
 matplotlib==2.1.2
 mccabe==0.6.1