diff --git a/metadata/info.spotcomms.wlanbackend.yml b/metadata/info.spotcomms.wlanbackend.yml
index 7cefedad5a..a69e8059fb 100644
--- a/metadata/info.spotcomms.wlanbackend.yml
+++ b/metadata/info.spotcomms.wlanbackend.yml
@@ -32,6 +32,10 @@ Builds:
     versionCode: 25
     commit: fb78dc21b7c8935945fa406e7c40845bbc82f880
     subdir: app
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     gradle:
       - yes