diff --git a/setup/_metapackage/VERSION.txt b/setup/_metapackage/VERSION.txt
index 6c8df96c..cf8600ac 100644
--- a/setup/_metapackage/VERSION.txt
+++ b/setup/_metapackage/VERSION.txt
@@ -1 +1 @@
-12.0.20181129.1
\ No newline at end of file
+12.0.20181205.0
\ No newline at end of file
diff --git a/setup/_metapackage/setup.py b/setup/_metapackage/setup.py
index a387b887..d74c05c1 100644
--- a/setup/_metapackage/setup.py
+++ b/setup/_metapackage/setup.py
@@ -8,6 +8,7 @@ setuptools.setup(
     description="Meta package for oca-social Odoo addons",
     version=version,
     install_requires=[
+        'odoo12-addon-mail_attach_existing_attachment',
         'odoo12-addon-mail_debrand',
         'odoo12-addon-mail_track_diff_only',
         'odoo12-addon-mass_mailing_resend',
diff --git a/setup/mail_attach_existing_attachment/odoo/addons/mail_attach_existing_attachment b/setup/mail_attach_existing_attachment/odoo/addons/mail_attach_existing_attachment
new file mode 120000
index 00000000..d7f3725c
--- /dev/null
+++ b/setup/mail_attach_existing_attachment/odoo/addons/mail_attach_existing_attachment
@@ -0,0 +1 @@
+../../../../mail_attach_existing_attachment
\ No newline at end of file
diff --git a/setup/mail_attach_existing_attachment/setup.py b/setup/mail_attach_existing_attachment/setup.py
new file mode 100644
index 00000000..28c57bb6
--- /dev/null
+++ b/setup/mail_attach_existing_attachment/setup.py
@@ -0,0 +1,6 @@
+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)