diff --git a/vendor/registrasion/requirements/base.txt b/vendor/registrasion/requirements/base.txt
index a87391f9..c45a3a46 100644
--- a/vendor/registrasion/requirements/base.txt
+++ b/vendor/registrasion/requirements/base.txt
@@ -1,2 +1,3 @@
 django-nested-admin==2.2.6
 #symposion==1.0b2.dev3
+lxml==4.0.0