diff --git a/requirements.txt b/requirements.txt
index 015c5c2..eac1931 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ jupyter-client==5.3.4
 jupyter-console==6.1.0
 jupyter-core==4.6.1
 kiwisolver==1.1.0
-lxml==4.5.0
+lxml==4.6.2
 MarkupSafe==1.1.1
 matplotlib==3.1.3
 mistune==0.8.4