diff --git a/metadata/de.jl.notificationlog.yml b/metadata/de.jl.notificationlog.yml
index 98e3a7580f..22a896ad68 100644
--- a/metadata/de.jl.notificationlog.yml
+++ b/metadata/de.jl.notificationlog.yml
@@ -151,7 +151,19 @@ Builds:
     gradle:
       - yes
 
+  - versionName: '1.21'
+    versionCode: 22
+    commit: ca360a6fb4fa46318512f5bfc38558ed8e7212c9
+    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: '1.20'
-CurrentVersionCode: 21
+CurrentVersion: '1.21'
+CurrentVersionCode: 22