diff --git a/demos/progressbar/default.html b/demos/progressbar/default.html
index 197a976c5f..b1ada1a0a8 100644
--- a/demos/progressbar/default.html
+++ b/demos/progressbar/default.html
@@ -4,17 +4,12 @@
 	<meta charset="utf-8">
 	<title>jQuery UI Progressbar - Default functionality</title>
 	<link rel="stylesheet" href="../../themes/base/all.css">
-	<script src="../../external/jquery/jquery.js"></script>
-	<script src="../../ui/core.js"></script>
-	<script src="../../ui/widget.js"></script>
-	<script src="../../ui/progressbar.js"></script>
 	<link rel="stylesheet" href="../demos.css">
-	<script>
-	$(function() {
+	<script src="../../external/requirejs/require.js"></script>
+	<script src="../bootstrap.js">
 		$( "#progressbar" ).progressbar({
 			value: 37
 		});
-	});
 	</script>
 </head>
 <body>
diff --git a/demos/progressbar/download.html b/demos/progressbar/download.html
index 1253176a41..a7731b387c 100644
--- a/demos/progressbar/download.html
+++ b/demos/progressbar/download.html
@@ -4,18 +4,9 @@
 	<meta charset="utf-8">
 	<title>jQuery UI Progressbar - Download Dialog</title>
 	<link rel="stylesheet" href="../../themes/base/all.css">
-	<script src="../../external/jquery/jquery.js"></script>
-	<script src="../../ui/core.js"></script>
-	<script src="../../ui/widget.js"></script>
-	<script src="../../ui/progressbar.js"></script>
-	<script src="../../ui/mouse.js"></script>
-	<script src="../../ui/draggable.js"></script>
-	<script src="../../ui/button.js"></script>
-	<script src="../../ui/position.js"></script>
-	<script src="../../ui/dialog.js"></script>
 	<link rel="stylesheet" href="../demos.css">
-	<script>
-	$(function() {
+	<script src="../../external/requirejs/require.js"></script>
+	<script src="../bootstrap.js" data-modules="dialog">
 		var progressTimer,
 			progressbar = $( "#progressbar" ),
 			progressLabel = $( ".progress-label" ),
@@ -83,7 +74,6 @@
 				.text( "Starting download..." );
 			downloadButton.trigger( "focus" );
 		}
-	});
 	</script>
 	<style>
 	#progressbar {
diff --git a/demos/progressbar/indeterminate.html b/demos/progressbar/indeterminate.html
index ef5f446f20..d349a74365 100644
--- a/demos/progressbar/indeterminate.html
+++ b/demos/progressbar/indeterminate.html
@@ -4,13 +4,9 @@
 	<meta charset="utf-8">
 	<title>jQuery UI Progressbar - Indeterminate Value</title>
 	<link rel="stylesheet" href="../../themes/base/all.css">
-	<script src="../../external/jquery/jquery.js"></script>
-	<script src="../../ui/core.js"></script>
-	<script src="../../ui/widget.js"></script>
-	<script src="../../ui/progressbar.js"></script>
 	<link rel="stylesheet" href="../demos.css">
-	<script>
-	$(function() {
+	<script src="../../external/requirejs/require.js"></script>
+	<script src="../bootstrap.js">
 		$( "#progressbar" ).progressbar({
 			value: false
 		});
@@ -31,7 +27,6 @@
 				progressbar.progressbar( "option", "value", false );
 			}
 		});
-	});
 	</script>
 	<style>
 	#progressbar .ui-progressbar-value {
diff --git a/demos/progressbar/label.html b/demos/progressbar/label.html
index f4c4937072..ea4c4ecdb9 100644
--- a/demos/progressbar/label.html
+++ b/demos/progressbar/label.html
@@ -4,10 +4,6 @@
 	<meta charset="utf-8">
 	<title>jQuery UI Progressbar - Custom Label</title>
 	<link rel="stylesheet" href="../../themes/base/all.css">
-	<script src="../../external/jquery/jquery.js"></script>
-	<script src="../../ui/core.js"></script>
-	<script src="../../ui/widget.js"></script>
-	<script src="../../ui/progressbar.js"></script>
 	<link rel="stylesheet" href="../demos.css">
 	<style>
 	.ui-progressbar {
@@ -21,8 +17,8 @@
 		text-shadow: 1px 1px 0 #fff;
 	}
 	</style>
-	<script>
-	$(function() {
+	<script src="../../external/requirejs/require.js"></script>
+	<script src="../bootstrap.js">
 		var progressbar = $( "#progressbar" ),
 			progressLabel = $( ".progress-label" );
 
@@ -47,7 +43,6 @@
 		}
 
 		setTimeout( progress, 2000 );
-	});
 	</script>
 </head>
 <body>
