diff --git a/html/webapp/icons/agile-256x256.png b/html/webapp/icons/agile-256x256.png
new file mode 100644
index 0000000..5429ad1
Binary files /dev/null and b/html/webapp/icons/agile-256x256.png differ
diff --git a/html/webapp/icons/agile-384x384.png b/html/webapp/icons/agile-384x384.png
new file mode 100644
index 0000000..8435cc5
Binary files /dev/null and b/html/webapp/icons/agile-384x384.png differ
diff --git a/html/webapp/icons/agile-512x512.png b/html/webapp/icons/agile-512x512.png
new file mode 100644
index 0000000..81b7835
Binary files /dev/null and b/html/webapp/icons/agile-512x512.png differ
diff --git a/html/webapp/manifest.json b/html/webapp/manifest.json
index 2dd3ee1..78c01bf 100644
--- a/html/webapp/manifest.json
+++ b/html/webapp/manifest.json
@@ -35,6 +35,21 @@
       "src": "icons/agile-192x192.png",
       "sizes": "192x192",
       "type": "image/png"
+    },
+    {
+      "src": "icons/agile-256x256.png",
+      "sizes": "256x256",
+      "type": "image/png"
+    },
+    {
+      "src": "icons/agile-384x384.png",
+      "sizes": "384x384",
+      "type": "image/png"
+    },
+    {
+      "src": "icons/agile-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png"
     }
   ]
 }
\ No newline at end of file