diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3cf3977..dd30d278 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,9 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.9.1] - 2025-01-08
+
+-   Increased only the execution duration for the function that handles the update of ENS entries marked as stale.
+
 ## [3.9.0] - 2025-01-07
 
--   Improve how the ENS address information is provided if available through the UI. The new approach considerably improves efficiency in terms of on-chain reads.
+-   Improved how the ENS address information is provided if available through the UI. The new approach considerably improves efficiency in terms of on-chain reads.
 
 ## [3.8.6] - 2024-12-05
 
@@ -396,7 +400,8 @@ Staking Pools
 
 -   First release
 
-[unreleased]: https://github.com/cartesi/explorer/compare/v3.9.0...HEAD
+[unreleased]: https://github.com/cartesi/explorer/compare/v3.9.1...HEAD
+[3.9.1]: https://github.com/cartesi/explorer/compare/v3.9.1...v3.9.0
 [3.9.0]: https://github.com/cartesi/explorer/compare/v3.9.0...v3.8.6
 [3.8.6]: https://github.com/cartesi/explorer/compare/v3.8.6...v3.8.5
 [3.8.5]: https://github.com/cartesi/explorer/compare/v3.8.5...v3.8.4
diff --git a/apps/staking/src/pages/api/cron/ens-update-stale.ts b/apps/staking/src/pages/api/cron/ens-update-stale.ts
index 48f2fd69..1177d033 100644
--- a/apps/staking/src/pages/api/cron/ens-update-stale.ts
+++ b/apps/staking/src/pages/api/cron/ens-update-stale.ts
@@ -20,6 +20,13 @@ const cronSecret = process.env.CRON_SECRET;
 const isAuthorized = (req: NextApiRequest) =>
     req.headers.authorization === `Bearer ${cronSecret}`;
 
+/**
+ * This function will be allowed to run for a maximum of 30 seconds.
+ */
+export const config = {
+    maxDuration: 30,
+};
+
 const handler = async (req: NextApiRequest, res: NextApiResponse) => {
     if (!isAuthorized(req))
         return handleResponse({ ok: false, error: 'unauthorized' }, res);