diff --git a/_config.php b/_config.php
index 66ee4d3..bea80a4 100644
--- a/_config.php
+++ b/_config.php
@@ -8,7 +8,7 @@
 if(!defined('MEDIAWESOME_PATH')) {
 	define('MEDIAWESOME_PATH', rtrim(basename(dirname(__FILE__))));
 }
-MediaType::apply_required_extensions();
+MediaType::apply_requirements();
 
 /**
  *
diff --git a/_config/extensions.yml b/_config/extensions.yml
new file mode 100644
index 0000000..b7d46b3
--- /dev/null
+++ b/_config/extensions.yml
@@ -0,0 +1,9 @@
+---
+name: mediawesome-extensions
+---
+SiteConfig:
+  extensions:
+    - 'SiteConfigMediaPermissionExtension'
+Page:
+  extensions:
+    - 'PageChildrenExtension'
diff --git a/code/dataobjects/MediaType.php b/code/dataobjects/MediaType.php
index 86eb013..2b4287c 100644
--- a/code/dataobjects/MediaType.php
+++ b/code/dataobjects/MediaType.php
@@ -33,10 +33,7 @@ class MediaType extends DataObject {
 	 *	Apply all Mediawesome required extensions.
 	 */
 
-	public static function apply_required_extensions() {
-
-		Object::add_extension('SiteConfig', 'SiteConfigMediaPermissionExtension');
-		Object::add_extension('Page', 'PageChildrenExtension');
+	public static function apply_requirements() {
 
 		// Update the current media holder/page images.