diff --git a/requirements.txt b/requirements.txt
index 349aac0..c889364 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ Keras-Preprocessing==1.1.2
 kiwisolver==1.2.0
 langdetect==1.0.8
 Lasagne==0.1
-lxml==4.6.3
+lxml==4.9.1
 Markdown==3.2.2
 matplotlib==3.2.1
 murmurhash==1.0.2