diff --git a/nginx.conf b/nginx.conf
index b390bff..1537b32 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -71,6 +71,12 @@ http {
             add_header Cache-Control "no-store, no-cache, must-revalidate";
         }
 
+        # Force re-cache of old service-worker
+        location = /service-worker.js {
+            root /usr/share/nginx/html;  # adjust if your build folder is elsewhere
+            add_header Cache-Control "no-store, no-cache, must-revalidate";
+        }
+
         # Redirect old /index.html requests to new file
         location = /index.html {
             return 301 /indexV2.html;
diff --git a/public/service-worker.js b/public/service-worker.js
new file mode 100644
index 0000000..6b6a19c
--- /dev/null
+++ b/public/service-worker.js
@@ -0,0 +1,24 @@
+// public/service-worker.js
+self.addEventListener('install', () => self.skipWaiting());
+
+self.addEventListener('activate', async () => {
+  // Unregister old CRA SW
+  const regs = await self.registration.scope ? [self.registration] : await self.clients.getRegistrations();
+  for (const reg of regs) {
+    if (reg && reg.scriptURL.endsWith('service-worker.js')) {
+      await reg.unregister();
+    }
+  }
+
+  // Clear all caches
+  if ('caches' in self) {
+    const keys = await caches.keys();
+    for (const key of keys) {
+      await caches.delete(key);
+    }
+  }
+
+  // Reload all clients
+  const clients = await self.clients.matchAll({ type: 'window' });
+  clients.forEach(client => client.navigate(client.url));
+});