diff --git a/includes/class.media.php b/includes/class.media.php
index 5c632f3..e0464b6 100644
--- a/includes/class.media.php
+++ b/includes/class.media.php
@@ -61,9 +61,14 @@ function register_hooks() {
 	 * Register media-specific field types
 	 */
 	function register_field_types($field_types) {
-		$media = new CNR_Field_Type('media');
+		/**
+		 * @var CNR_Content_Utilities
+		 */
+		global $cnr_content_utilities;
+		
+		// Media (Base)
+		$media = new CNR_Field_Type('media', 'base_closed');
 		$media->set_description('Media Item');
-		$media->set_parent('base_closed');
 		$media->set_property('title', 'Select Media');
 		$media->set_property('button','Select Media');
 		$media->set_property('remove', 'Remove Media');
@@ -72,16 +77,17 @@ function register_field_types($field_types) {
 		$media->set_layout('display', '{media format="display"}');
 		$media->set_layout('display_url', '{media format="display" type="url"}');
 		$media->add_script( array('add', 'edit-item', 'post-new.php', 'post.php', 'media-upload-popup'), $this->add_prefix('script_media'), $this->util->get_file_url('js/lib.media.js'), array($this->add_prefix('core'), $this->add_prefix('admin')));
-		$field_types[$media->id] =& $media;
-		
-		$image = new CNR_Field_Type('image');
+		$cnr_content_utilities->register_field($media);
+
+		// Image
+		$image = new CNR_Field_Type('image', 'media');
 		$image->set_description('Image');
 		$image->set_parent('media');
 		$image->set_property('title', 'Select Image');
 		$image->set_property('button', 'Select Image');
 		$image->set_property('remove', 'Remove Image');
 		$image->set_property('set_as', 'image');
-		$field_types[$image->id] =& $image;
+		$cnr_content_utilities->register_field($image);
 	}
 	
 	/**
diff --git a/main.php b/main.php
index c3f04fb..52efd74 100644
--- a/main.php
+++ b/main.php
@@ -3,7 +3,7 @@
 Plugin Name: Cornerstone
 Plugin URI: http://archetyped.com/tools/cornerstone/
 Description: Enhanced content management for Wordpress
-Version: 0.7.2
+Version: 0.7.3
 Author: Archetyped
 Author URI: http://archetyped.com
 Support URI: https://github.com/archetyped/cornerstone/wiki/Reporting-Issues
diff --git a/package.json b/package.json
index ce9fff4..f71fd76 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cornerstone",
-  "version": "0.7.2",
+  "version": "0.7.3",
   "title": "Cornerstone",
   "description": "Enhanced content management for Wordpress",
   "author": "Archetyped <support@archetyped.com>",
diff --git a/readme.txt b/readme.txt
index ff37bf2..ab7c291 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,8 +3,8 @@ Contributors: Archetyped
 Donate: https://gum.co/cnr-donate
 Tags: cornerstone, cms, content, management, system, structure, organization, sections
 Plugin Link: http://archetyped.com/tools/cornerstone/
-Requires at least: 4.2.2
-Tested up to: 4.2.3
+Requires at least: 4.3.0
+Tested up to: 4.3.1
 Stable tag: trunk
 
 Enhanced content management for Wordpress
@@ -56,6 +56,10 @@ Post your questions/comments at [Cornerstone's official issue tracker](https://g
 1. Quickly modify a post's section
 
 == Changelog ==
+= 0.7.3 =
+* Fix: Registration of Media field types
+* Update: Confirm compatibility with WordPress v4.3.1
+
 = 0.7.2 =
 * Update: WordPress 4.2.3 support
 * Optimize: Autoload classes