diff --git a/requirements.txt b/requirements.txt
index 2884510..434118e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ jupyter-core==4.6.3
 Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.0
 kiwisolver==1.2.0
-lxml==4.4.1
+lxml==4.6.5
 Markdown==3.2.1
 MarkupSafe==2.0.1
 matplotlib==3.1.1