diff --git a/metadata/rocks.poopjournal.flashy.yml b/metadata/rocks.poopjournal.flashy.yml
index a3c37eb1b4..c31927e9f7 100644
--- a/metadata/rocks.poopjournal.flashy.yml
+++ b/metadata/rocks.poopjournal.flashy.yml
@@ -66,6 +66,10 @@ Builds:
     versionCode: 7
     commit: fba20b7702fca67770614dba5e7ebfab35cc07ec
     subdir: app
+    sudo:
+      - apt-get update
+      - apt-get install -y openjdk-17-jdk-headless
+      - update-java-alternatives -a
     gradle:
       - yes