diff --git a/app/api/inbox/route.ts b/app/api/inbox/route.ts
index dfcb066..bae1ccc 100644
--- a/app/api/inbox/route.ts
+++ b/app/api/inbox/route.ts
@@ -1,3 +1,5 @@
+import crypto from 'node:crypto'
+
 import { createPoll } from '@/lib/actions/createPoll'
 import { updateNote } from '@/lib/actions/updateNote'
 import { updatePoll } from '@/lib/actions/updatePoll'
@@ -31,12 +33,16 @@ export const POST = ActivityPubVerifySenderGuard(async (request, context) => {
   const { storage } = context
   const body = await request.json()
   const activity = (await compact(body)) as StatusActivity
+  const deduplicationId = crypto
+    .createHash('sha256')
+    .update(JSON.stringify(activity.id))
+    .digest('hex')
   switch (activity.type) {
     case CreateAction: {
       switch (activity.object.type) {
         case 'Note': {
           await getQueue().publish({
-            id: activity.object.id,
+            id: deduplicationId,
             name: CREATE_NOTE_JOB_NAME,
             data: activity.object
           })
@@ -64,7 +70,7 @@ export const POST = ActivityPubVerifySenderGuard(async (request, context) => {
     }
     case AnnounceAction: {
       await getQueue().publish({
-        id: activity.id,
+        id: deduplicationId,
         name: CREATE_ANNOUNCE_JOB_NAME,
         data: activity
       })
diff --git a/package.json b/package.json
index ab57171..bf1743c 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@date-fns/utc": "^1.2.0",
     "@google-cloud/firestore": "^7.9.0",
     "@jmondi/oauth2-server": "^4.0.2",
-    "@llun/activities.schema": "^0.2.7",
+    "@llun/activities.schema": "^0.2.8",
     "@opentelemetry/api": "^1.9.0",
     "@upstash/qstash": "2.7.2",
     "bcrypt": "^5.1.1",
diff --git a/yarn.lock b/yarn.lock
index 4fc6149..1d5a025 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2086,12 +2086,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@llun/activities.schema@npm:^0.2.7":
-  version: 0.2.7
-  resolution: "@llun/activities.schema@npm:0.2.7"
+"@llun/activities.schema@npm:^0.2.8":
+  version: 0.2.8
+  resolution: "@llun/activities.schema@npm:0.2.8"
   dependencies:
     zod: "npm:^3.23.8"
-  checksum: 10c0/06abc84c5c4be4883b1124c39a606d096fd4e15dd7ad1eb2f7e2952febde6d6c263a49a5e1916a71ef5fd5753c4730651aa7ccf5dfc40b7e3b91c1c58c1c8d22
+  checksum: 10c0/a1d1690c0f0a4da202d639959ac5c7bd74d3cd37129740ec1bce2b18e523cf70c72911dd5309631c6514ac271e20433b73bdc8afbd41a95c72608b3eb95d4509
   languageName: node
   linkType: hard
 
@@ -4157,7 +4157,7 @@ __metadata:
     "@date-fns/utc": "npm:^1.2.0"
     "@google-cloud/firestore": "npm:^7.9.0"
     "@jmondi/oauth2-server": "npm:^4.0.2"
-    "@llun/activities.schema": "npm:^0.2.7"
+    "@llun/activities.schema": "npm:^0.2.8"
     "@next/env": "npm:^14.2.7"
     "@opentelemetry/api": "npm:^1.9.0"
     "@swc-node/register": "npm:^1.10.9"