diff --git a/README.md b/README.md
index 040ee69..32e2fb7 100644
--- a/README.md
+++ b/README.md
@@ -179,6 +179,7 @@ Do you have ideas to improve the FEP Process? Post your suggestions to the issue
 | [FEP-c81b: Agent Social Attribution for ActivityPub](./fep/c81b/fep-c81b.md) | `DRAFT` | [#798](https://codeberg.org/fediverse/fep/issues/798) | 2026-03-18 | - |
 | [FEP-a1d1: ActivityPub Patch](./fep/a1d1/fep-a1d1.md) | `DRAFT` | [#796](https://codeberg.org/fediverse/fep/issues/796) | 2026-03-19 | - |
 | [FEP-1a11: Send Announces Containing Many Activities](./fep/1a11/fep-1a11.md) | `DRAFT` | [#807](https://codeberg.org/fediverse/fep/issues/807) | 2026-04-01 | - |
+| [FEP-9f9f: Collections](./fep/9f9f/fep-9f9f.md) | `DRAFT` | [#810](https://codeberg.org/fediverse/fep/issues/810) | 2026-04-03 | - |
 
 ## License
 
diff --git a/fep/9f9f/fep-9f9f.md b/fep/9f9f/fep-9f9f.md
index b197712..a4ad317 100644
--- a/fep/9f9f/fep-9f9f.md
+++ b/fep/9f9f/fep-9f9f.md
@@ -5,6 +5,7 @@ type: informational
 status: DRAFT
 discussionsTo: https://codeberg.org/silverpill/feps/issues
 dateReceived: 2026-04-03
+trackingIssue: https://codeberg.org/fediverse/fep/issues/810
 ---
 # FEP-9f9f: Collections
 
diff --git a/index.json b/index.json
index e5e18bd..df8a5c2 100644
--- a/index.json
+++ b/index.json
@@ -1304,5 +1304,16 @@
     "trackingIssue": "https://codeberg.org/fediverse/fep/issues/807",
     "title": "Send Announces Containing Many Activities",
     "implementations": 0
+  },
+  {
+    "slug": "9f9f",
+    "authors": "silverpill <@silverpill@mitra.social>",
+    "type": "informational",
+    "status": "DRAFT",
+    "discussionsTo": "https://codeberg.org/silverpill/feps/issues",
+    "dateReceived": "2026-04-03",
+    "trackingIssue": "https://codeberg.org/fediverse/fep/issues/810",
+    "title": "Collections",
+    "implementations": 0
   }
 ]
\ No newline at end of file