diff --git a/metadata/com.rechnen.app.yml b/metadata/com.rechnen.app.yml
index 958f39bb7e..ecda1bff51 100644
--- a/metadata/com.rechnen.app.yml
+++ b/metadata/com.rechnen.app.yml
@@ -85,7 +85,19 @@ Builds:
     gradle:
       - yes
 
+  - versionName: '3.0'
+    versionCode: 21
+    commit: a176c7c239dee7eb56d161133eed03fa36130134
+    subdir: app
+    sudo:
+      - echo "deb https://deb.debian.org/debian trixie main" > /etc/apt/sources.list.d/trixie.list
+      - apt-get update
+      - apt-get install -y -t trixie openjdk-21-jdk-headless
+      - update-alternatives --auto java
+    gradle:
+      - yes
+
 AutoUpdateMode: Version
 UpdateCheckMode: Tags
-CurrentVersion: '2.1'
-CurrentVersionCode: 20
+CurrentVersion: '3.0'
+CurrentVersionCode: 21