diff --git a/pip/require.txt b/pip/require.txt
index 5ed591b..1025aed 100644
--- a/pip/require.txt
+++ b/pip/require.txt
@@ -17,7 +17,7 @@ duplicity==0.6.23
 html5lib==0.999
 httplib2==0.8
 lockfile==0.8
-lxml==3.3.3
+lxml==4.6.3
 oauthlib==0.6.1
 obMenu==1.0
 oneconf==0.3.7.14.04.1