diff --git a/public/assets/pwa/shipping-note-tablet-sw.js b/public/assets/pwa/shipping-note-tablet-sw.js
index 5c12d8bb1..cf42313e6 100644
--- a/public/assets/pwa/shipping-note-tablet-sw.js
+++ b/public/assets/pwa/shipping-note-tablet-sw.js
@@ -1,6 +1,5 @@
-const CACHE_NAME = 'lager-system-cache-v1';
+const CACHE_NAME = 'lager-system-cache-v3';
 const urlsToCache = [
-    '.',
     'https://cdn.jsdelivr.net/npm/vue@3.4.27/dist/vue.global.min.js',
     'https://cdn.tailwindcss.com',
     '/assets/images/xinon-full.png',
@@ -9,23 +8,18 @@ const urlsToCache = [
 ];
 
 self.addEventListener('install', event => {
-    event.waitUntil(
-        caches.open(CACHE_NAME).then(cache => cache.addAll(urlsToCache))
-    );
+    event.waitUntil(caches.open(CACHE_NAME).then(cache => cache.addAll(urlsToCache)));
 });
 
 self.addEventListener('fetch', event => {
-    event.respondWith(
-        caches.match(event.request).then(response => response || fetch(event.request))
-    );
+    event.respondWith(caches.match(event.request).then(response => response || fetch(event.request)));
 });
 
 self.addEventListener('activate', event => {
-    const cacheWhitelist = [CACHE_NAME];
     event.waitUntil(
         caches.keys().then(cacheNames => Promise.all(
             cacheNames
-                .filter(cacheName => !cacheWhitelist.includes(cacheName))
+                .filter(cacheName => cacheName !== CACHE_NAME)
                 .map(cacheName => caches.delete(cacheName))
         ))
     );
diff --git a/public/js/pages/WarehouseShippingNote/WarehouseShippingNote.js b/public/js/pages/WarehouseShippingNote/WarehouseShippingNote.js
index 3b953f031..45c01e557 100644
--- a/public/js/pages/WarehouseShippingNote/WarehouseShippingNote.js
+++ b/public/js/pages/WarehouseShippingNote/WarehouseShippingNote.js
@@ -502,14 +502,15 @@ Vue.component('warehouse-shipping-note', {
     }
 })
 
-window.addEventListener('DOMContentLoaded', () => {
-    if ('serviceWorker' in navigator) {
-        navigator.serviceWorker.register('/WarehouseShippingNote/sw', {scope: '/'})
-            .then(registration => {
-                console.log('Patching PWA Service Worker registered with scope:', registration.scope);
-            })
-            .catch(error => {
-                console.error('Patching PWA Service Worker registration failed:', error);
-            });
+let hiddenTime = null;
+const RELOAD_AFTER_SECONDS = 300;
+document.addEventListener('visibilitychange', () => {
+    if (document.visibilityState === 'hidden') {
+        hiddenTime = new Date();
+    } else if (document.visibilityState === 'visible' && hiddenTime) {
+        const secondsElapsed = (new Date() - hiddenTime) / 1000;
+        if (secondsElapsed > RELOAD_AFTER_SECONDS) {
+            window.location.reload();
+        }
     }
-})
\ No newline at end of file
+});
\ No newline at end of file