diff --git a/tt1-blocks/README.md b/tt1-blocks/README.md
index 25bcc67b..fc4b8246 100644
--- a/tt1-blocks/README.md
+++ b/tt1-blocks/README.md
@@ -11,7 +11,7 @@ To contribute to the development of TT1 Blocks, please read the [contributor's g
 ## Installation
 
 1. In your admin panel, install and activate [the Gutenberg Plugin](https://wordpress.org/plugins/gutenberg/). 
-2. Click the 'Code' button on [the main Theme Experiments Repository GitHub page](https://github.com/wordpress/theme-experiments).
+2. Click the 'Code' button on [the main Theme Experiments Repository GitHub page](https://github.com/WordPress/community-themes).
 3. Unzip the resulting download.
 4. Move or upload the "theme-experiments" folder into your site's `wp-content/themes` folder.
 5. Visit `Appearance > Themes` and activate the "TT1 Blocks" theme.
diff --git a/tt1-blocks/readme.txt b/tt1-blocks/readme.txt
index 6465c0a8..09d9e573 100644
--- a/tt1-blocks/readme.txt
+++ b/tt1-blocks/readme.txt
@@ -1,7 +1,7 @@
 === TT1 Blocks ===
 Contributors: wordpressdotorg
 Requires at least: 5.6
-Tested up to: 5.8
+Tested up to: 6.6
 Requires PHP: 7.4
 Stable tag: 0.4.8
 License: GPLv2 or later
@@ -13,7 +13,7 @@ TT1 Blocks is an experimental block theme version of the Twenty Twenty-One theme
 
 TT1 Blocks is a block theme version the <a href="https://wordpress.org/themes/twentytwentyone/">Twenty Twenty-One</a> theme. It is built to leverage the full site editing functionality that is being built in the <a href="https://wordpress.org/plugins/gutenberg/">Gutenberg plugin</a>.
 
-This theme is beta software, and is not meant for use on a production site. Bug reports, fixes, and other and contributions are welcome <a href="https://github.com/WordPress/theme-experiments/issues">in the theme's GitHub repository</a>.
+This theme is beta software, and is not meant for use on a production site. Bug reports, fixes, and other and contributions are welcome <a href="https://github.com/WordPress/community-themes/issues">in the theme's GitHub repository</a>.
 
 == Installation ==
 
diff --git a/tt1-blocks/style.css b/tt1-blocks/style.css
index c8e5959d..1923345e 100644
--- a/tt1-blocks/style.css
+++ b/tt1-blocks/style.css
@@ -1,11 +1,11 @@
 /*
 Theme Name: TT1 Blocks
-Theme URI: https://github.com/WordPress/theme-experiments/tree/master/tt1-blocks
+Theme URI: https://github.com/WordPress/community-themes/tree/trunk/tt1-blocks
 Author: the WordPress team
 Author URI: https://wordpress.org/
 Description: TT1 Blocks is an experimental block-based version of the Twenty Twenty-One theme. It is built to leverage the full-site editing functionality that is being built in the Gutenberg plugin. This theme is not meant for use on a production site.
 Requires at least: 5.6
-Tested up to: 5.8
+Tested up to: 6.6
 Requires PHP: 7.4
 Version: 0.4.8
 License: GNU General Public License v2 or later