Index: CKEditor/trunk/CHANGES.html
===================================================================
--- CKEditor/trunk/CHANGES.html	(revision 4972)
+++ CKEditor/trunk/CHANGES.html	(revision 4979)
@@ -54,4 +54,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4773">#4773</a> : The fileBrowser plugin overwrote any onClick function for a fileButton element.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4731">#4731</a> : The clipboard plugin was missing a reference to the dialog plugin.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/5051">#5051</a> : The about plugin was missing a reference to the dialog plugin.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4632">#4632</a> : The print command will now properly break on the insertion point of page break for printing.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4862">#4862</a> : Corrected English (United Kingdom) locale as en-gb.</li>
Index: CKEditor/trunk/_source/plugins/about/plugin.js
===================================================================
--- CKEditor/trunk/_source/plugins/about/plugin.js	(revision 4972)
+++ CKEditor/trunk/_source/plugins/about/plugin.js	(revision 4979)
@@ -6,4 +6,5 @@
 CKEDITOR.plugins.add( 'about',
 {
+	requires : [ 'dialog'],
 	init : function( editor )
 	{