diff --git a/setup/_metapackage/VERSION.txt b/setup/_metapackage/VERSION.txt
index 3aba17a38..264d5fadb 100644
--- a/setup/_metapackage/VERSION.txt
+++ b/setup/_metapackage/VERSION.txt
@@ -1 +1 @@
-13.0.20210330.0
\ No newline at end of file
+13.0.20210427.0
\ No newline at end of file
diff --git a/setup/_metapackage/setup.py b/setup/_metapackage/setup.py
index 8159c9926..cac1a838a 100644
--- a/setup/_metapackage/setup.py
+++ b/setup/_metapackage/setup.py
@@ -25,6 +25,7 @@ setuptools.setup(
         'odoo13-addon-mail_optional_autofollow',
         'odoo13-addon-mail_optional_follower_notification',
         'odoo13-addon-mail_outbound_static',
+        'odoo13-addon-mail_partner_opt_out',
         'odoo13-addon-mail_preview_audio',
         'odoo13-addon-mail_preview_base',
         'odoo13-addon-mail_restrict_follower_selection',