diff --git a/metadata/dev.corruptedark.openchaoschess.yml b/metadata/dev.corruptedark.openchaoschess.yml
index f9f03f91e9..527eb74dee 100644
--- a/metadata/dev.corruptedark.openchaoschess.yml
+++ b/metadata/dev.corruptedark.openchaoschess.yml
@@ -10,7 +10,7 @@ Liberapay: CorruptedArk
 AutoName: Open Chaos Chess
 
 RepoType: git
-Repo: https://github.com/CorruptedArk/open-chaos-chess
+Repo: https://github.com/CorruptedArk/open-chaos-chess.git
 
 Builds:
   - versionName: 1.5.4
@@ -201,6 +201,9 @@ Builds:
     subdir: app
     gradle:
       - yes
+    prebuild:
+      - sed -i -e 's/4.1.3/4.2.0/' ../build.gradle
+      - sed -i -e 's/6.6-bin/6.7.1-bin/' ../gradle/wrapper/gradle-wrapper.properties
 
 AutoUpdateMode: Version
 UpdateCheckMode: Tags