diff --git a/metadata/org.primftpd.yml b/metadata/org.primftpd.yml
index 7ee7680648..b2b23765bd 100644
--- a/metadata/org.primftpd.yml
+++ b/metadata/org.primftpd.yml
@@ -369,6 +369,11 @@ Builds:
     versionCode: 64
     commit: 9cb2af62d8b37beae145a949fd17f39b0d6050b4
     subdir: primitiveFTPd
+    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
     gradle:
       - yes
     prebuild: sed -i -e '/publishing {/,/^}/d' build.gradle