diff --git a/Tutorials/flask_blog/requirements.txt b/Tutorials/flask_blog/requirements.txt
index d78fd610..15875de8 100644
--- a/Tutorials/flask_blog/requirements.txt
+++ b/Tutorials/flask_blog/requirements.txt
@@ -77,7 +77,7 @@ jupyter-client==7.3.4
 jupyter-core==4.11.2
 jupyterlab-pygments==0.2.2
 Levenshtein==0.20.8
-lxml==4.9.0
+lxml==4.9.1
 MarkupSafe==2.1.1
 matplotlib-inline==0.1.6
 mergedeep==1.3.4