diff --git a/scraper/lib/torrent.js b/scraper/lib/torrent.js
index 58b9b8c..11fd27d 100644
--- a/scraper/lib/torrent.js
+++ b/scraper/lib/torrent.js
@@ -8,9 +8,9 @@ const { Type } = require('./types');
 const { isVideo, isSubtitle } = require('./extension');
 const { cacheTrackers } = require('./cache');
 
-const TRACKERS_URL = 'https://ngosang.github.io/trackerslist/trackers_all.txt';
+const TRACKERS_URL = 'https://ngosang.github.io/trackerslist/trackers_all_udp.txt';
 const MAX_PEER_CONNECTIONS = process.env.MAX_PEER_CONNECTIONS || 20;
-const SEEDS_CHECK_TIMEOUT = 30 * 1000; // 30 secs
+const SEEDS_CHECK_TIMEOUT = 20 * 1000; // 30 secs
 const ADDITIONAL_TRACKERS = [
   'http://tracker.trackerfix.com:80/announce',
   'udp://9.rarbg.me:2780',
@@ -18,8 +18,8 @@ const ADDITIONAL_TRACKERS = [
 ];
 const ANIME_TRACKERS = [
   "http://nyaa.tracker.wf:7777/announce",
-  "http://anidex.moe:6969/announce",
-  "http://tracker.anirena.com:80/announce",
+  "udp://anidex.moe:6969/announce",
+  "udp://tracker-udp.anirena.com:80/announce",
   "udp://tracker.uw0.xyz:6969/announce"
 ];
 
diff --git a/scraper/scheduler/seeders.js b/scraper/scheduler/seeders.js
index 9a94686..15761fc 100644
--- a/scraper/scheduler/seeders.js
+++ b/scraper/scheduler/seeders.js
@@ -4,13 +4,13 @@ const { delay } = require('../lib/promises')
 const { updateCurrentSeeders } = require('../lib/torrent')
 const { updateTorrentSeeders } = require('../lib/torrentEntries')
 
-const DELAY_MS = 15 * 1000; // 15 seconds
+const DELAY_MS = 0; // 0 seconds
 const updateLimiter = new Bottleneck({ maxConcurrent: 5 });
 const statistics = {};
 
 function scheduleUpdateSeeders() {
   console.log('Starting seeders update...')
-  return repository.getUpdateSeedersTorrents(50)
+  return repository.getUpdateSeedersTorrents(100)
       .then(torrents => updateCurrentSeeders(torrents))
       .then(updatedTorrents => Promise.all(
           updatedTorrents.map(updated => updateLimiter.schedule(() => updateTorrentSeeders(updated)))))