diff --git a/static/js/sw.js b/static/js/sw.js
index c3f67f3..05999e6 100644
--- a/static/js/sw.js
+++ b/static/js/sw.js
@@ -2,7 +2,7 @@
  * diora service worker — caches the app shell for offline use.
  */
 
-const CACHE = 'diora-v7';
+const CACHE = 'diora-v8';
 const PODCAST_CACHE = 'diora-podcast-v1';
 const SHELL = [
   '/static/css/app.css',
diff --git a/static/manifest.json b/static/manifest.json
index 696ba46..c23fdd2 100644
--- a/static/manifest.json
+++ b/static/manifest.json
@@ -13,13 +13,25 @@
       "src": "/static/icon-192.png",
       "sizes": "192x192",
       "type": "image/png",
-      "purpose": "any maskable"
+      "purpose": "any"
+    },
+    {
+      "src": "/static/icon-192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "maskable"
     },
     {
       "src": "/static/icon-512.png",
       "sizes": "512x512",
       "type": "image/png",
-      "purpose": "any maskable"
+      "purpose": "any"
+    },
+    {
+      "src": "/static/icon-512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
     }
   ]
 }