diff --git a/metadata/com.svenjacobs.app.leon.yml b/metadata/com.svenjacobs.app.leon.yml
index 680091902a..ee1d5cd574 100644
--- a/metadata/com.svenjacobs.app.leon.yml
+++ b/metadata/com.svenjacobs.app.leon.yml
@@ -392,6 +392,11 @@ Builds:
     versionCode: 265
     commit: f12cce4adaca0d028d7029c2be10fd5c86af304a
     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