diff --git a/metadata/com.theworld.help.cbtandroid.yml b/metadata/com.theworld.help.cbtandroid.yml
index 09d1a80fe1..314981271b 100644
--- a/metadata/com.theworld.help.cbtandroid.yml
+++ b/metadata/com.theworld.help.cbtandroid.yml
@@ -33,6 +33,11 @@ Builds:
     versionCode: 4
     commit: e92742663f888413de5f480cc4632152efd0fbb7
     subdir: app
+    sudo:
+      - echo "deb http://deb.debian.org/debian sid main" > /etc/apt/sources.list.d/stretch.list
+      - apt-get update
+      - apt-get remove openjdk-11-jdk-headless openjdk-11-jre-headless
+      - apt-get install -y -t sid openjdk-8-jdk-headless
     gradle:
       - yes