diff --git a/sw.js b/sw.js
index bbb6e49..c680024 100644
--- a/sw.js
+++ b/sw.js
@@ -24,6 +24,15 @@ self.addEventListener('fetch', event => {
   event.respondWith(cacheFirst(event.request))
 })
 
+async function reloadAll() {
+  const windows = await clients.matchAll()
+  await Promise.allSettled(
+    windows.map(async client => {
+      await client.navigate(client.url)
+    })
+  )
+}
+
 self.addEventListener('activate', event => {
-  event.waitUntil(clients.claim())
+  event.waitUntil(reloadAll())
 })
\ No newline at end of file