diff --git a/awol_python3/REQUIREMENTS.txt b/awol_python3/REQUIREMENTS.txt
index d214aef6b..d5099e993 100644
--- a/awol_python3/REQUIREMENTS.txt
+++ b/awol_python3/REQUIREMENTS.txt
@@ -3,7 +3,7 @@ beautifulsoup4==4.5.3
 colorama==0.3.7
 html5lib==0.999999999
 langid==1.1.6
-lxml==3.7.2
+lxml==4.9.1
 nose==1.3.7
 numpy==1.12.0
 packaging==16.8