diff --git a/CHANGELOG.md b/CHANGELOG.md
index 604e7219d8c18a83d23bbe56b422d4ac5ddc8bc8..0f4b5b47d09116157bb30ee904f4c8dd6ba0a8bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@
 * Fixed pseudocode not rendering properly due to element `p` overflow setting.
 * Added the ability for the `git-heatmap` to combine activity from multiple
     sources.
+* Fixed `DEADLINE_EXCEEDED` error which occasionally occured when calling
+    sendNote.
 
 ## 2.1.0
 
diff --git a/api/activitypub/sendNote.ts b/api/activitypub/sendNote.ts
index 0315a3207cd4dbc8f0869964d9a40517aa3b970c..86f0579be8dffc729c7479c571cedb1d7dcca0e7 100644
--- a/api/activitypub/sendNote.ts
+++ b/api/activitypub/sendNote.ts
@@ -5,6 +5,8 @@ import { OrderedCollection } from 'activitypub-core-types/lib/activitypub/index.
 import { sendSignedRequest } from '../../lib/activitypub/utils/sendSignedRequest.js';
 import { fetchActorInformation } from '../../lib/activitypub/utils/fetchActorInformation.js';
 
+export const maxDuration = 300; // This function can run for a maximum of 5 minutes
+
 process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';
 
 if (!admin.default.apps.length) {
@@ -120,7 +122,7 @@ export default async function (req: VercelRequest, res: VercelResponse) {
   configRef.set({
     "sentIds": newSentIds,
     "lastEpoch": new Date().getTime()
-  });
+  }).then(result => response.status(200));
 
   console.log("sendNode successful", sentIds, sendingIds, newSentIds);