diff --git a/app/static/manifest.json b/app/static/manifest.json
index 098a1e0..a474bb3 100644
--- a/app/static/manifest.json
+++ b/app/static/manifest.json
@@ -7,14 +7,12 @@
     {
       "src": "/static/images/android-chrome-192x192.png",
       "sizes": "192x192",
-      "type": "image/png",
-      "purpose": "any maskable"
+      "type": "image/png"
     },
     {
       "src": "/static/images/android-chrome-512x512.png",
       "sizes": "512x512",
-      "type": "image/png",
-      "purpose": "any maskable"
+      "type": "image/png"
     }
   ],
   "theme_color": "#0d6efd",