diff --git a/manifest.json b/manifest.json
index d2f46a3..f824281 100644
--- a/manifest.json
+++ b/manifest.json
@@ -10,12 +10,14 @@
     {
       "src": "icons/icon-192.png",
       "sizes": "192x192",
-      "type": "image/png"
+      "type": "image/png",
+      "purpose": "any maskable"
     },
     {
       "src": "icons/icon-512.png",
       "sizes": "512x512",
-      "type": "image/png"
+      "type": "image/png",
+      "purpose": "any maskable"
     }
   ]
-}
\ No newline at end of file
+}