diff --git a/requirements/base.txt b/requirements/base.txt
index 22e4ec2bd..c03f79353 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -20,3 +20,4 @@ ndg-httpsclient
 pyasn1
 djangorestframework==3.2.4
 django-filter==0.11.0
+-e git://github.com/mcantelon/mets-reader-writer.git@dev/issue-8894-rest-api-v3#egg=metsrw