diff --git a/requirements.txt b/requirements.txt
index 7c69cc2..1a0a084 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ Keras-Preprocessing==1.0.5
 kiwisolver==1.0.1
 Lasagne==0.2.dev1
 lockfile==0.12.2
-lxml==4.2.6
+lxml==4.6.5
 Mako==1.0.7
 Markdown==3.0.1
 MarkupSafe==1.1.0