diff --git a/ml-image-generation/autoencoders/requirements.txt b/ml-image-generation/autoencoders/requirements.txt
index 959849a..a4b46e6 100644
--- a/ml-image-generation/autoencoders/requirements.txt
+++ b/ml-image-generation/autoencoders/requirements.txt
@@ -42,7 +42,7 @@ jupyterlab-server==1.1.1
 Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.0
 kiwisolver==1.2.0
-lxml==4.6.3
+lxml==4.9.1
 Markdown==3.2.1
 MarkupSafe==1.1.1
 matplotlib==3.1.1