diff --git a/dlibrary/static/icons/app/icon-192.png b/dlibrary/static/icons/app/icon-192.png
index 18c4ee3..e839a98 100644
Binary files a/dlibrary/static/icons/app/icon-192.png and b/dlibrary/static/icons/app/icon-192.png differ
diff --git a/dlibrary/static/icons/app/icon-512.png b/dlibrary/static/icons/app/icon-512.png
index 727d218..fcb1327 100644
Binary files a/dlibrary/static/icons/app/icon-512.png and b/dlibrary/static/icons/app/icon-512.png differ
diff --git a/dlibrary/static/manifest.json b/dlibrary/static/manifest.json
index f7c582e..d104a7d 100644
--- a/dlibrary/static/manifest.json
+++ b/dlibrary/static/manifest.json
@@ -9,12 +9,14 @@
         {
             "src": "icons/app/icon-192.png",
             "sizes": "192x192",
-            "type": "image/png"
+            "type": "image/png",
+            "purpose": "monochrome maskable any"
         },
         {
             "src": "icons/app/icon-512.png",
             "sizes": "512x512",
-            "type": "image/png"
+            "type": "image/png",
+            "purpose": "monochrome maskable any"
         }
     ]
 }