diff --git a/requirements.txt b/requirements.txt
index d04d6d1..9741774 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ data==0.4
 decorator==4.0.11
 funcsigs==1.0.2
 idna==2.5
-lxml==3.8.0
+lxml==4.6.5
 notifications==0.3.2
 psycopg2==2.7.1
 PyJWT==1.5.0