diff --git a/src/wp-admin/includes/update-core.php b/src/wp-admin/includes/update-core.php
index d466607079..6089f6da1e 100644
--- a/src/wp-admin/includes/update-core.php
+++ b/src/wp-admin/includes/update-core.php
@@ -589,6 +589,7 @@ $_new_bundled_files = array(
 	'themes/twentyeleven/'   => '3.2',
 	'themes/twentytwelve/'   => '3.5',
 	'themes/twentythirteen/' => '3.6',
+	'themes/twentyfourteen/' => '3.8',
 );
 
 /**
diff --git a/src/wp-admin/includes/upgrade.php b/src/wp-admin/includes/upgrade.php
index b1b85555e3..513cea79d8 100644
--- a/src/wp-admin/includes/upgrade.php
+++ b/src/wp-admin/includes/upgrade.php
@@ -218,7 +218,7 @@ As a new WordPress user, you should go to <a href=\"%s\">your dashboard</a> to d
 	update_option( 'widget_archives', array ( 2 => array ( 'title' => '', 'count' => 0, 'dropdown' => 0 ), '_multiwidget' => 1 ) );
 	update_option( 'widget_categories', array ( 2 => array ( 'title' => '', 'count' => 0, 'hierarchical' => 0, 'dropdown' => 0 ), '_multiwidget' => 1 ) );
 	update_option( 'widget_meta', array ( 2 => array ( 'title' => '' ), '_multiwidget' => 1 ) );
-	update_option( 'sidebars_widgets', array ( 'wp_inactive_widgets' => array (), 'sidebar-1' => array ( 0 => 'search-2', 1 => 'recent-posts-2', 2 => 'recent-comments-2', 3 => 'archives-2', 4 => 'categories-2', 5 => 'meta-2', ), 'sidebar-2' => array (),'array_version' => 3 ) );
+	update_option( 'sidebars_widgets', array ( 'wp_inactive_widgets' => array (), 'sidebar-1' => array ( 0 => 'search-2', 1 => 'recent-posts-2', 2 => 'recent-comments-2', 3 => 'archives-2', 4 => 'categories-2', 5 => 'meta-2', ), 'sidebar-2' => array (), 'sidebar-3' => array (), 'array_version' => 3 ) );
 
 	if ( ! is_multisite() )
 		update_user_meta( $user_id, 'show_welcome_panel', 1 );
diff --git a/src/wp-admin/nav-menus.php b/src/wp-admin/nav-menus.php
index 7527753b20..a53513116a 100644
--- a/src/wp-admin/nav-menus.php
+++ b/src/wp-admin/nav-menus.php
@@ -476,7 +476,7 @@ if ( ! current_theme_supports( 'menus' ) && ! $num_locations )
 
 if ( ! $locations_screen ) : // Main tab
 	$overview  = '<p>' . __( 'This screen is used for managing your custom navigation menus.' ) . '</p>';
-	$overview .= '<p>' . sprintf( __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a &#8220;Custom Menu&#8221; widget on the <a href="%1$s">Widgets</a> screen. If your theme does not support the custom menus feature (the default themes, %2$s and %3$s, do), you can learn about adding this support by following the Documentation link to the side.' ), admin_url( 'widgets.php' ), 'Twenty Thirteen', 'Twenty Twelve' ) . '</p>';
+	$overview .= '<p>' . sprintf( __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a &#8220;Custom Menu&#8221; widget on the <a href="%1$s">Widgets</a> screen. If your theme does not support the custom menus feature (the default themes, %2$s and %3$s, do), you can learn about adding this support by following the Documentation link to the side.' ), admin_url( 'widgets.php' ), 'Twenty Fourteen', 'Twenty Thirteen' ) . '</p>';
 	$overview .= '<p>' . __( 'From this screen you can:' ) . '</p>';
 	$overview .= '<ul><li>' . __( 'Create, edit, and delete menus' ) . '</li>';
 	$overview .= '<li>' . __( 'Add, organize, and modify individual menu items' ) . '</li></ul>';
diff --git a/src/wp-includes/class-wp-theme.php b/src/wp-includes/class-wp-theme.php
index cd4ef4ee08..ba075551ec 100644
--- a/src/wp-includes/class-wp-theme.php
+++ b/src/wp-includes/class-wp-theme.php
@@ -43,6 +43,7 @@ final class WP_Theme implements ArrayAccess {
 		'twentyeleven'   => 'Twenty Eleven',
 		'twentytwelve'   => 'Twenty Twelve',
 		'twentythirteen' => 'Twenty Thirteen',
+		'twentyfourteen' => 'Twenty Fourteen',
 	);
 
 	/**
diff --git a/src/wp-includes/default-constants.php b/src/wp-includes/default-constants.php
index 7326d6c849..4f135c82eb 100644
--- a/src/wp-includes/default-constants.php
+++ b/src/wp-includes/default-constants.php
@@ -311,6 +311,6 @@ function wp_templating_constants() {
 	 * @since 3.0.0
 	 */
 	if ( !defined('WP_DEFAULT_THEME') )
-		define( 'WP_DEFAULT_THEME', 'twentythirteen' );
+		define( 'WP_DEFAULT_THEME', 'twentyfourteen' );
 
 }