diff --git a/metadata/de.quantumphysique.trale.yml b/metadata/de.quantumphysique.trale.yml
index 98458d846e..ec2fcb4ab3 100644
--- a/metadata/de.quantumphysique.trale.yml
+++ b/metadata/de.quantumphysique.trale.yml
@@ -498,6 +498,10 @@ Builds:
     commit: fad6f1bfa563f129d66fb3c338bba00c1e33ea6a
     subdir: app
     sudo:
+      - echo "deb https://deb.debian.org/debian bullseye main" > /etc/apt/sources.list.d/bullseye.list
+      - apt-get update
+      - apt-get install -y -t bullseye openjdk-11-jdk-headless
+      - update-java-alternatives --set java-1.11.0-openjdk-amd64
       - mkdir -p /home/runner/
       - chown vagrant /home/runner/
     output: build/app/outputs/flutter-apk/app-x86_64-release.apk
@@ -538,6 +542,10 @@ Builds:
     commit: fad6f1bfa563f129d66fb3c338bba00c1e33ea6a
     subdir: app
     sudo:
+      - echo "deb https://deb.debian.org/debian bullseye main" > /etc/apt/sources.list.d/bullseye.list
+      - apt-get update
+      - apt-get install -y -t bullseye openjdk-11-jdk-headless
+      - update-java-alternatives --set java-1.11.0-openjdk-amd64
       - mkdir -p /home/runner/
       - chown vagrant /home/runner/
     output: build/app/outputs/flutter-apk/app-armeabi-v7a-release.apk
@@ -578,6 +586,10 @@ Builds:
     commit: fad6f1bfa563f129d66fb3c338bba00c1e33ea6a
     subdir: app
     sudo:
+      - echo "deb https://deb.debian.org/debian bullseye main" > /etc/apt/sources.list.d/bullseye.list
+      - apt-get update
+      - apt-get install -y -t bullseye openjdk-11-jdk-headless
+      - update-java-alternatives --set java-1.11.0-openjdk-amd64
       - mkdir -p /home/runner/
       - chown vagrant /home/runner/
     output: build/app/outputs/flutter-apk/app-arm64-v8a-release.apk