diff --git a/appcast.xml b/appcast.xml
index 749dc42..e12817f 100644
--- a/appcast.xml
+++ b/appcast.xml
@@ -5,5 +5,12 @@
     <link>https://tonuino.maddin.app/</link>
     <description>Updates for Tonuino Manager for macOS</description>
     <language>de</language>
+    <item>
+      <title>Version 1.0.0</title>
+      <pubDate>Sat, 31 Oct 2026 18:50:43 +0000</pubDate>
+      <sparkle:version>1</sparkle:version>
+      <sparkle:shortVersionString>1.0.0</sparkle:shortVersionString>
+      <enclosure url="https://git.maddin.app/maddin/Tonuino-Manager/releases/download/v1.0.0/Tonuino-Manager-1.0.0.zip" length="187409210" type="application/octet-stream" sparkle:edSignature="rC2bQgpOvjL9N/hyHvKkk72EvJxUS2kJmRmiET4kqjL06AH9ePrWOfTVNtRUen1EADQSp6ob0jAHblhv1NC7Dg==" />
+    </item>
   </channel>
 </rss>