diff --git a/public/favicon-512.png b/public/favicon-512.png
new file mode 100644
index 0000000..0faee29
Binary files /dev/null and b/public/favicon-512.png differ
diff --git a/public/niimblue.webmanifest b/public/niimblue.webmanifest
index aa03108..750fcbd 100644
--- a/public/niimblue.webmanifest
+++ b/public/niimblue.webmanifest
@@ -6,10 +6,14 @@
     {
       "src": "favicon.svg",
       "sizes": "any"
+    },
+    {
+      "src": "favicon-512.png",
+      "sizes": "512x512"
     }
   ],
   "start_url": "/",
   "display": "standalone",
   "theme_color": "#212529",
   "background_color": "#212529"
-}
\ No newline at end of file
+}