diff --git a/modalframe.info b/modalframe.info
index b1b4ead..51e05c9 100644
--- a/modalframe.info
+++ b/modalframe.info
@@ -1,5 +1,4 @@
 name = Modal Frame API
 description = Provides an API to render an iframe within a modal dialog based on the jQuery UI Dialog plugin.
 package = Modal frame
-dependencies[] = jquery_ui
-core = 6.x
+core = 7.x
diff --git a/modalframe.module b/modalframe.module
index 3f044c6..a13a37e 100644
--- a/modalframe.module
+++ b/modalframe.module
@@ -217,7 +217,8 @@ function modalframe_parent_js() {
   }
   $processed = TRUE;
 
-  jquery_ui_add(array('ui.dialog', 'ui.draggable'));
+  drupal_add_library('system', 'ui.dialog');
+  drupal_add_library('system', 'ui.draggable');
   $module_path = drupal_get_path('module', 'modalframe');
   drupal_add_css($module_path .'/css/modalframe.parent.css');
   drupal_add_js($module_path .'/js/parent.js');
@@ -240,10 +241,6 @@ function modalframe_child_js() {
   // is something child windows don't need.
   module_invoke_all('suppress');
 
-  // This is required to get access to jQuery UI extensions to jQuery itself,
-  // such as the ':focusable' and ':tabbable' selectors.
-  jquery_ui_add(array('ui.core'));
-
   // Add javascript and stylesheets to the child page.
   $module_path = drupal_get_path('module', 'modalframe');
   drupal_add_css($module_path .'/css/modalframe.child.css');