diff --git a/metadata/com.github.gotify.yml b/metadata/com.github.gotify.yml
index 5f7c18fcf9..d9bd62c644 100644
--- a/metadata/com.github.gotify.yml
+++ b/metadata/com.github.gotify.yml
@@ -15,7 +15,7 @@ Description: |-
   Note: A self-hosted <a href="https://github.com/gotify/server">gotify/server</a> is required for this app to work.
 
 RepoType: git
-Repo: https://github.com/gotify/android
+Repo: https://github.com/gotify/android.git
 
 Builds:
   - versionName: 2.0.1
@@ -202,9 +202,12 @@ Builds:
     versionCode: 30
     commit: 2082e6d46e2b78dd533ef655f4c88e8566d73108
     subdir: app
+    sudo:
+      - apt-get update
+      - apt-get install -y openjdk-17-jdk-headless
+      - update-java-alternatives -a
     gradle:
       - yes
-    prebuild: sed -i -e 's/6.3-rc-4-all/6.3-all/' ../gradle/wrapper/gradle-wrapper.properties
 
 AutoUpdateMode: Version
 UpdateCheckMode: Tags v\d+\.\d+(\.\d+)?