diff --git a/metadata/rocks.poopjournal.flashy.yml b/metadata/rocks.poopjournal.flashy.yml
index 9439aaab95..3dfc129631 100644
--- a/metadata/rocks.poopjournal.flashy.yml
+++ b/metadata/rocks.poopjournal.flashy.yml
@@ -33,6 +33,10 @@ Builds:
     versionCode: 4
     commit: 7a101be72537ef13cb76df3e4214d6f563937f57
     subdir: app
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     gradle:
       - yes