diff --git a/bun.lockb b/bun.lockb
index 36d6e366..db943cf3 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index 7dd56137..c858261f 100644
--- a/package.json
+++ b/package.json
@@ -110,7 +110,7 @@
         "@oclif/core": "^4.0.19",
         "@sentry/bun": "^8.26.0",
         "@tufjs/canonical-json": "^2.0.0",
-        "@versia/federation": "^0.1.0-rc.0",
+        "@versia/federation": "^0.1.0-rc.1",
         "altcha-lib": "^0.5.1",
         "blurhash": "^2.0.5",
         "bullmq": "^5.12.10",
diff --git a/server/api/users/:uuid/outbox/index.ts b/server/api/users/:uuid/outbox/index.ts
index 22c40c20..1dbba9bb 100644
--- a/server/api/users/:uuid/outbox/index.ts
+++ b/server/api/users/:uuid/outbox/index.ts
@@ -1,6 +1,6 @@
 import { apiRoute, applyConfig, handleZodError } from "@/api";
 import { zValidator } from "@hono/zod-validator";
-import type { Entity } from "@versia/federation/types";
+import type { Collection } from "@versia/federation/types";
 import { and, count, eq, inArray } from "drizzle-orm";
 import { z } from "zod";
 import { db } from "~/drizzle/db";
@@ -108,14 +108,9 @@ export default apiRoute((app) =>
                           ).toString()
                         : null,
                 items: notes.map((note) => note.toVersia()),
-            };
+            } satisfies Collection;
 
-            const { headers } = await author.sign(
-                // @ts-expect-error To fix when I add collections to versia-api
-                json as Entity,
-                context.req.url,
-                "GET",
-            );
+            const { headers } = await author.sign(json, context.req.url, "GET");
 
             return context.json(json, 200, headers.toJSON());
         },
diff --git a/types/api.ts b/types/api.ts
index 75e023c3..6e644cea 100644
--- a/types/api.ts
+++ b/types/api.ts
@@ -1,6 +1,7 @@
 import type { Hono } from "@hono/hono";
 import type { RouterRoute } from "@hono/hono/types";
 import type {
+    Collection,
     Delete,
     Follow,
     FollowAccept,
@@ -61,4 +62,5 @@ export type KnownEntity =
     | FollowReject
     | Unfollow
     | Delete
-    | LikeExtension;
+    | LikeExtension
+    | Collection;