diff --git a/setup/_metapackage/VERSION.txt b/setup/_metapackage/VERSION.txt
index a35bd7440..c3372e41f 100644
--- a/setup/_metapackage/VERSION.txt
+++ b/setup/_metapackage/VERSION.txt
@@ -1 +1 @@
-11.0.20180419.0
\ No newline at end of file
+11.0.20180516.0
\ No newline at end of file
diff --git a/setup/_metapackage/setup.py b/setup/_metapackage/setup.py
index 2aa4f04e5..02290ff6f 100644
--- a/setup/_metapackage/setup.py
+++ b/setup/_metapackage/setup.py
@@ -18,6 +18,7 @@ setuptools.setup(
         'odoo11-addon-dbfilter_from_header',
         'odoo11-addon-html_image_url_extractor',
         'odoo11-addon-html_text',
+        'odoo11-addon-letsencrypt',
         'odoo11-addon-module_auto_update',
         'odoo11-addon-onchange_helper',
         'odoo11-addon-sentry',
diff --git a/setup/base_cron_exclusion/odoo/__init__.py b/setup/base_cron_exclusion/odoo/__init__.py
deleted file mode 100644
index de40ea7ca..000000000
--- a/setup/base_cron_exclusion/odoo/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-__import__('pkg_resources').declare_namespace(__name__)
diff --git a/setup/base_cron_exclusion/odoo/addons/__init__.py b/setup/base_cron_exclusion/odoo/addons/__init__.py
deleted file mode 100644
index de40ea7ca..000000000
--- a/setup/base_cron_exclusion/odoo/addons/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-__import__('pkg_resources').declare_namespace(__name__)
diff --git a/setup/letsencrypt/odoo/addons/letsencrypt b/setup/letsencrypt/odoo/addons/letsencrypt
new file mode 120000
index 000000000..1a4e6d43b
--- /dev/null
+++ b/setup/letsencrypt/odoo/addons/letsencrypt
@@ -0,0 +1 @@
+../../../../letsencrypt
\ No newline at end of file
diff --git a/setup/letsencrypt/setup.cfg b/setup/letsencrypt/setup.cfg
new file mode 100644
index 000000000..3c6e79cf3
--- /dev/null
+++ b/setup/letsencrypt/setup.cfg
@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal=1
diff --git a/setup/letsencrypt/setup.py b/setup/letsencrypt/setup.py
new file mode 100644
index 000000000..28c57bb64
--- /dev/null
+++ b/setup/letsencrypt/setup.py
@@ -0,0 +1,6 @@
+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)