diff --git a/src/requirements.txt b/src/requirements.txt
index 66f1ba4..4bc12ef 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -3,7 +3,7 @@ Flask_Script==2.0.6
 Flask_Cache==0.13.1
 Flask_Migrate==2.2.1
 Flask_SQLAlchemy==2.3.2
-lxml==4.2.3
+lxml==4.6.5
 redis==2.10.6
 requests==2.20.0
 SQLAlchemy==1.3.0