diff --git a/README.md b/README.md
index 251340da..3b36f0bb 100644
--- a/README.md
+++ b/README.md
@@ -206,6 +206,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 | `30041`       | Modular Article Content         | [NKBIP-01]                             |
 | `30063`       | Release artifact sets           | [51](51.md)                            |
 | `30078`       | Application-specific Data       | [78](78.md)                            |
+| `30267`       | App curation sets               | [51](51.md)                            |
 | `30311`       | Live Event                      | [53](53.md)                            |
 | `30315`       | User Statuses                   | [38](38.md)                            |
 | `30388`       | Slide Set                       | [Corny Chat][cornychat-slideset]       |