diff --git a/metadata/com.sadellie.unitto.yml b/metadata/com.sadellie.unitto.yml
index c46adad8d1..148d2f9034 100644
--- a/metadata/com.sadellie.unitto.yml
+++ b/metadata/com.sadellie.unitto.yml
@@ -133,6 +133,10 @@ Builds:
     versionCode: 22
     commit: d6f8d2e9127ebaf30c77bdf8d4bbe69348b93481
     subdir: app
+    sudo:
+      - apt-get update
+      - apt-get install -y openjdk-17-jdk-headless
+      - update-java-alternatives -a
     gradle:
       - fdroid
     prebuild: