diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index 27b58273..bd40c60e 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -1,6 +1,6 @@
 # Wikibase DataModel release notes
 
-## Version 2.3.0 (dev)
+## Version 2.3.0 (2014-11-18)
 
 * Added `AliasGroupList::toArray`
 * Added `StatementList::getMainSnaks`
diff --git a/WikibaseDataModel.php b/WikibaseDataModel.php
index e318bdfb..d663ed07 100644
--- a/WikibaseDataModel.php
+++ b/WikibaseDataModel.php
@@ -12,7 +12,7 @@
 	return 1;
 }
 
-define( 'WIKIBASE_DATAMODEL_VERSION', '2.2.0' );
+define( 'WIKIBASE_DATAMODEL_VERSION', '2.3.0' );
 
 if ( defined( 'MEDIAWIKI' ) ) {
 	call_user_func( function() {
diff --git a/composer.json b/composer.json
index b59893c2..408dc5aa 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
 	},
 	"extra": {
 		"branch-alias": {
-			"dev-master": "2.2.x-dev"
+			"dev-master": "2.3.x-dev"
 		}
 	}
 }