diff --git a/README.md b/README.md
index e89703c..35819f4 100644
--- a/README.md
+++ b/README.md
@@ -314,6 +314,8 @@ For an overview of known relays, see [Relay List, a regularly updated, sorted li
 
 * :heavy_check_mark: [**Mastodon Backup Resore**](https://codeberg.org/DecaTec/Mastodon-Backup-Restore): Bash scripts for backup / restore of Mastodon. `MIT, Shell`
 
+* [**Mastodon Bird UI**](https://github.com/ronilaukkarinen/mastodon-bird-ui): Alternative stylesheet to make Mastodon UI represent the Birdsite. `MIT, CSS`
+
 * :heavy_check_mark: [**mastodon_bulk_find_follow**](https://gitlab.com/ozten/mastodon_bulk_find_follow) ([site](https://commotionmade.com/)): Bulk find and follow to make it easy to migrate from Twitter to Mastodon. `BSD-3-Clause, Javascript`
 
 * [**mastodon_digest**](https://github.com/hodgesmr/mastodon_digest) ([Fedi account](https://mastodon.social/@MattHodges)): A script that aggregates recent popular posts from your Mastodon timeline. `BSD-3-Clause, Python`