diff --git a/code_examples/Python/app_generic_gui/requirements.txt b/code_examples/Python/app_generic_gui/requirements.txt
index b4dd476..795e52f 100644
--- a/code_examples/Python/app_generic_gui/requirements.txt
+++ b/code_examples/Python/app_generic_gui/requirements.txt
@@ -9,4 +9,4 @@ suds_jurko==0.6
 Werkzeug==0.15.3
 xlrd==1.1.0
 xmltodict==0.11.0
-lxml==4.2.5
+lxml==4.9.1