diff --git a/requirements.txt b/requirements.txt
index 50ca8c1..328ffb5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -75,7 +75,7 @@ Keras-Preprocessing==1.1.2
 kiwisolver==1.3.1
 libclang==12.0.0
 llvmlite==0.37.0
-lxml==4.6.2
+lxml==4.6.5
 Markdown==3.3.4
 MarkupSafe==2.0.1
 matplotlib==3.4.3