diff --git a/metadata.json b/metadata.json
index b788071c..20436169 100644
--- a/metadata.json
+++ b/metadata.json
@@ -69,5 +69,5 @@
     ],
     "source": "git://github.com/openstack/puppet-openstacklib.git",
     "summary": "Puppet OpenStack Libraries",
-    "version": "11.3.0"
+    "version": "12.0.0-dev"
 }
\ No newline at end of file
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 0fa30c04..74561db9 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -53,9 +53,9 @@ copyright = u'2017, Puppet OpenStack Developers'
 # built documents.
 #
 # The short X.Y version.
-version = '11.3.0'
+version = '12.0.0'
 # The full version, including alpha/beta/rc tags.
-release = '11.3.0'
+release = '12.0.0-dev'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.