diff --git a/wp-admin/includes/update-core.php b/wp-admin/includes/update-core.php
index 342e7c326b..43c91830cf 100644
--- a/wp-admin/includes/update-core.php
+++ b/wp-admin/includes/update-core.php
@@ -743,6 +743,7 @@ $_new_bundled_files = array(
 	'themes/twentyfourteen/' => '3.8',
 	'themes/twentyfifteen/'  => '4.1',
 	'themes/twentysixteen/'  => '4.4',
+	'themes/twentyseventeen/' => '4.7',
 );
 
 // If not explicitly defined as false, don't install new default themes.
diff --git a/wp-includes/version.php b/wp-includes/version.php
index bf114945c3..44f61efe05 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38920';
+$wp_version = '4.7-alpha-38921';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.