diff --git a/README.md b/README.md
index 7095a36cf..ad2237bb4 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,8 @@ Check out our [Trello Board](https://trello.com/b/z10B703R/pokerogue-board) to s
     - Arata Iiyoshi
     - Atsuhiro Ishizuna
   - Pokémon Black/White 2
-  - Firel (Additional biome themes)
+  - Firel (Custom Metropolis and Laboratory biome music)
+  - Lmz (Custom Jungle biome music)
   - edifette (Title screen music)
 
 ### 🎵 Sound Effects
diff --git a/public/audio/bgm/jungle.mp3 b/public/audio/bgm/jungle.mp3
index bd331aa09..5db42ba8d 100644
Binary files a/public/audio/bgm/jungle.mp3 and b/public/audio/bgm/jungle.mp3 differ
diff --git a/src/field/arena.ts b/src/field/arena.ts
index 52822aef4..a2bde9422 100644
--- a/src/field/arena.ts
+++ b/src/field/arena.ts
@@ -617,7 +617,7 @@ export class Arena {
       case Biome.CONSTRUCTION_SITE:
         return 1.222;
       case Biome.JUNGLE:
-        return 2.477;
+        return 0.000;
       case Biome.FAIRY_CAVE:
         return 4.542;
       case Biome.TEMPLE: