diff --git a/metadata/com.jmstudios.redmoon.yml b/metadata/com.jmstudios.redmoon.yml
index 6f51eff7bf..1c3320f3bb 100644
--- a/metadata/com.jmstudios.redmoon.yml
+++ b/metadata/com.jmstudios.redmoon.yml
@@ -251,6 +251,10 @@ Builds:
     versionCode: 39
     commit: e6ee241d4efed116c085a8c6e531e9d3b414d3ab
     subdir: app
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     gradle:
       - yes