diff --git a/.gitignore b/.gitignore
index 65362fc74..da78dd3a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,8 @@
-# Build-related
-out/*
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
 bin/*
 build/*
 assets_release/*
diff --git a/assets/mods/musicplayer/metadata.properties b/assets/mods/musicplayer/metadata.properties
index d1e68bf66..3c2f3b23c 100644
--- a/assets/mods/musicplayer/metadata.properties
+++ b/assets/mods/musicplayer/metadata.properties
@@ -6,5 +6,5 @@ entrypoint=net.torvald.terrarum.musicplayer.EntryPoint
 releasedate=2024-01-10
 version=1.0.0
 jar=MusicPlayer.jar
-jarhash=0
+jarhash=2f683a5d0fbb01d731bb11be2434bf42a3951a4e11605a5271ac4a8f00e19f60
 dependency=basegame 0.4.0