diff --git a/Vector.php b/Vector.php
index c736b8d..16bec17 100644
--- a/Vector.php
+++ b/Vector.php
@@ -22,7 +22,7 @@
  * @ingroup Skins
  */
 
-$wgExtensionCredits['skin'][] = array(
+$GLOBALS['wgExtensionCredits']['skin'][] = array(
 	'path' => __FILE__,
 	'name' => 'Vector',
 	'namemsg' => 'skinname-vector',
@@ -33,9 +33,9 @@ $wgExtensionCredits['skin'][] = array(
 );
 
 // Register files
-$wgAutoloadClasses['SkinVector'] = __DIR__ . '/SkinVector.php';
-$wgAutoloadClasses['VectorTemplate'] = __DIR__ . '/VectorTemplate.php';
-$wgMessagesDirs['Vector'] = __DIR__ . '/i18n';
+$GLOBALS['wgAutoloadClasses']['SkinVector'] = __DIR__ . '/SkinVector.php';
+$GLOBALS['wgAutoloadClasses']['VectorTemplate'] = __DIR__ . '/VectorTemplate.php';
+$GLOBALS['wgMessagesDirs']['Vector'] = __DIR__ . '/i18n';
 
 // Register skin
 SkinFactory::getDefaultInstance()->register( 'vector', 'Vector', function(){
@@ -44,7 +44,7 @@ SkinFactory::getDefaultInstance()->register( 'vector', 'Vector', function(){
 } );
 
 // Register config
-$wgConfigRegistry['vector'] = 'GlobalVarConfig::newInstance';
+$GLOBALS['wgConfigRegistry']['vector'] = 'GlobalVarConfig::newInstance';
 
 // Configuration options
 /**
@@ -52,18 +52,17 @@ $wgConfigRegistry['vector'] = 'GlobalVarConfig::newInstance';
  *  - true = use an icon search button
  *  - false = use Go & Search buttons
  */
-$wgVectorUseSimpleSearch = true;
+$GLOBALS['wgVectorUseSimpleSearch'] = true;
 
 /**
  * Watch and unwatch as an icon rather than a link.
  *  - true = use an icon watch/unwatch button
  *  - false = use watch/unwatch text link
  */
-$wgVectorUseIconWatch = true;
-
+$GLOBALS['wgVectorUseIconWatch'] = true;
 
 // Register modules
-$wgResourceModules['skins.vector.styles'] = array(
+$GLOBALS['wgResourceModules']['skins.vector.styles'] = array(
 	'styles' => array(
 		'screen.less' => array( 'media' => 'screen' ),
 		'screen-hd.less' => array( 'media' => 'screen and (min-width: 982px)' ),
@@ -71,7 +70,8 @@ $wgResourceModules['skins.vector.styles'] = array(
 	'remoteSkinPath' => 'Vector',
 	'localBasePath' => __DIR__,
 );
-$wgResourceModules['skins.vector.js'] = array(
+
+$GLOBALS['wgResourceModules']['skins.vector.js'] = array(
 	'scripts' => array(
 		'collapsibleTabs.js',
 		'vector.js',
@@ -86,7 +86,7 @@ $wgResourceModules['skins.vector.js'] = array(
 );
 
 // Apply module customizations
-$wgResourceModuleSkinStyles['vector'] = array(
+$GLOBALS['wgResourceModuleSkinStyles']['vector'] = array(
 	'jquery.tipsy' => 'skinStyles/jquery.tipsy.less',
 	'jquery.ui.core' => array(
 		'skinStyles/jquery.ui/jquery.ui.core.css',
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..b7fff8f
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,40 @@
+{
+	"name"       : "mediawiki/vector-skin",
+	"type"       : "mediawiki-skin",
+	"description": "Modern version of the MonoBook skin",
+	"keywords"   : [
+		"wiki",
+		"MediaWiki",
+		"skin"
+	],
+	"homepage"   : "https://www.mediawiki.org/wiki/Skin:Vector",
+	"license"    : "GPL-2.0+",
+	"authors"    : [
+		{
+			"name" : "Trevor Parscal"
+		},
+		{
+			"name" : "Roan Kattouw"
+		}
+	],
+	"support"    : {
+		"wiki"  : "https://www.mediawiki.org/wiki/Skin:Vector",
+		"forum" : "https://www.mediawiki.org/wiki/Skin_talk:Vector",
+		"source": "https://git.wikimedia.org/summary/mediawiki%2Fskins%2FVector",
+		"irc"   : "irc://irc.freenode.org/mediawiki"
+	},
+	"require"    : {
+		"php"                : ">=5.3.2",
+		"composer/installers": ">1.0.12"
+	},
+	"autoload"   : {
+		"files": [
+			"Vector.php"
+		]
+	},
+	"extra"      : {
+		"branch-alias": {
+			"dev-master": "1.x-dev"
+		}
+	}
+}