diff --git a/jetson_nano/requirements.txt b/jetson_nano/requirements.txt
index c18e594..4599ab0 100644
--- a/jetson_nano/requirements.txt
+++ b/jetson_nano/requirements.txt
@@ -28,7 +28,7 @@ jupyter-core==4.6.3
 Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.2
 kiwisolver==1.2.0
-lxml==4.5.1
+lxml==4.9.1
 Markdown==3.2.2
 MarkupSafe==1.1.1
 matplotlib==3.2.2