diff --git a/requirements.txt b/requirements.txt
index 371168f..7cbfdb8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@
 ###    Syntaxe4load --> pip install -r requirements.txt
 ###
 beautifulsoup4==4.8.0
-lxml==4.6.5
+lxml==4.9.1
 pyproj==2.4.2