diff --git a/README.md b/README.md
index 8d61ba6..4cd9b65 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,7 @@ If you're an admin and have installed Tangerine UI on your instance, **feel free
 | [social.nah.re](https://social.nah.re)                 | 5+             | an optional theme   | No                      |
 | [esoteric.party](https://esoteric.party)               | 5+             | the only theme      | Yes (Tangerine variant) |
 | [isfeeling.social](https://isfeeling.social)           | 1+             | the only theme      | Yes (Purple variant)    |
+| [ucn.social](https://ucn.social)                       | 1+             | an optional theme   | Yes (Tangerine variant) |
 
 
 ## Installation for Mastodon admins