diff --git a/wordpress.org/public_html/wp-content/themes/pub/gutenberg/inc/docs-importer.php b/wordpress.org/public_html/wp-content/themes/pub/gutenberg/inc/docs-importer.php
index b75989f07..f04505a2b 100644
--- a/wordpress.org/public_html/wp-content/themes/pub/gutenberg/inc/docs-importer.php
+++ b/wordpress.org/public_html/wp-content/themes/pub/gutenberg/inc/docs-importer.php
@@ -2,7 +2,7 @@
 
 class Import_Gutendocs {
 
-	private static $handbook_manifest = 'https://raw.githubusercontent.com/WordPress/gutenberg/master/docs/manifest.json';
+	private static $handbook_manifest = 'https://raw.githubusercontent.com/WordPress/gutenberg/wp/5.1/docs/manifest.json';
 	private static $input_name = 'wporg-gutenberg-markdown-source';
 	private static $meta_key = 'wporg_gutenberg_markdown_source';
 	private static $nonce_name = 'wporg-gutenberg-markdown-source-nonce';