diff --git a/requirements.txt b/requirements.txt
index 46e5c75..eeed258 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.0
 kiwisolver==1.1.0
 llvmlite==0.31.0
-lxml==4.4.2
+lxml==4.6.5
 Markdown==3.1.1
 matplotlib==3.1.2
 more-itertools==8.0.2