diff --git a/service-worker.js b/service-worker.js
index 26d99e2..1d5c237 100644
--- a/service-worker.js
+++ b/service-worker.js
@@ -1,3 +1,65 @@
+const CURRENT_VERSION = 'v37';
+const CACHE_NAME = `cache-${CURRENT_VERSION}`;
+
+const urlsToCache = [
+  '/',
+  '/index.html',
+  '/home_en.html',
+  '/home_tr.html',
+  '/404.html',
+  '/CSS/unpkg.comswiper@8swiper-bundle.min.css',
+  '/FONTS/Inconsolata.woff2',
+  '/FONTS/Jaro.woff2',
+  '/FONTS/Monomakh.woff2',
+  '/FONTS/Montserrat.woff2',
+  '/FONTS/TacOne.woff2',
+  '/FONTS/Teko.woff2',
+  '/JAVASCRIPT/1.js',
+  '/JAVASCRIPT/tr/1.js',
+  '/JAVASCRIPT/darkmode-js.min.js',
+  '/JAVASCRIPT/gsap.min.js',
+  '/JAVASCRIPT/swiper-bundle.min.js',
+  '/service-worker.js',
+  '/img/profile_photo1.webp',
+  '/img/character1.webp',
+  '/img/character2.webp',
+  '/img/character3.webp',
+  '/img/ai.webp',
+  '/img/app.webp',
+  '/img/cyber.webp',
+  '/img/game.webp',
+  '/img/robotic.webp',
+  '/img/web.webp',
+  '/img/up.webp',
+  '/img/icon.ico',
+  '/sitemap.xml',
+  '/manifest.json',
+  '/robots.txt',
+  '/.htaccess.txt'
+];
+
+// Install event - yeni versiyonu cache'e ekle
+self.addEventListener('install', event => {
+  event.waitUntil(
+    caches.open(CACHE_NAME)
+      .then(cache => {
+        console.log(`Caching files for version: ${CURRENT_VERSION}`);
+        return cache.addAll(urlsToCache);
+      })
+  );
+  self.skipWaiting(); // Yeni SW hemen aktif olsun
+});
+
+// Fetch event - önbellekten yükle, yoksa ağdan al
+self.addEventListener('fetch', event => {
+  event.respondWith(
+    caches.match(event.request).then(response => {
+      return response || fetch(event.request);
+    })
+  );
+});
+
+// Activate event - eski cache'leri temizle ve yeni versiyonu yükle
 self.addEventListener('activate', event => {
   event.waitUntil(
     caches.keys().then(cacheNames => {
@@ -5,13 +67,16 @@ self.addEventListener('activate', event => {
         cacheNames.map(cacheName => {
           if (cacheName.startsWith('cache-')) {
             const cacheVersion = parseInt(cacheName.replace('cache-v', ''), 10);
-            if (cacheVersion < 50) {  // v50 öncesini sil
+            if (cacheVersion < parseInt(CURRENT_VERSION.replace('v', ''), 10)) {
               console.log(`Deleting old cache: ${cacheName}`);
               return caches.delete(cacheName);
             }
           }
         })
       );
+    }).then(() => {
+      console.log(`Cache updated to version: ${CURRENT_VERSION}`);
+      return self.clients.claim();
     })
   );
 });