diff --git a/requirements.txt b/requirements.txt
index 56a2302..2e07644 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ jupyterlab==1.2.6
 jupyterlab-server==1.1.4
 kiwisolver==1.2.0
 linearmodels==4.17
-lxml==4.5.1
+lxml==4.6.2
 MarkupSafe==1.1.1
 matplotlib==3.1.3
 missingno==0.4.2