diff --git a/metadata/org.tlhInganHol.android.klingonassistant.yml b/metadata/org.tlhInganHol.android.klingonassistant.yml
index 7de30b327e..7547c920af 100644
--- a/metadata/org.tlhInganHol.android.klingonassistant.yml
+++ b/metadata/org.tlhInganHol.android.klingonassistant.yml
@@ -94,6 +94,10 @@ Builds:
     versionCode: 569
     commit: 5bada317031f6c3c612ead584a4b4b21633d7f15
     subdir: app/
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     gradle:
       - yes
     prebuild: sed -i -e '/keystoreProperties/d' build.gradle