diff --git a/src/data/biomes.ts b/src/data/biomes.ts
index 1bea78f3e50..4f5a4e5af64 100644
--- a/src/data/biomes.ts
+++ b/src/data/biomes.ts
@@ -1844,7 +1844,7 @@ export const biomeTrainerPools: BiomeTrainerPools = {
     [BiomePoolTier.RARE]: [],
     [BiomePoolTier.SUPER_RARE]: [],
     [BiomePoolTier.ULTRA_RARE]: [],
-    [BiomePoolTier.BOSS]: [ TrainerType.BRAWLY, TrainerType.KORRINA, TrainerType.BEA ],
+    [BiomePoolTier.BOSS]: [ TrainerType.BRAWLY, TrainerType.KORRINA, TrainerType.BEA, TrainerType.MAYLENE ],
     [BiomePoolTier.BOSS_RARE]: [],
     [BiomePoolTier.BOSS_SUPER_RARE]: [],
     [BiomePoolTier.BOSS_ULTRA_RARE]: []
@@ -7408,6 +7408,10 @@ export const biomeTrainerPools: BiomeTrainerPools = {
         [ Biome.LAKE, BiomePoolTier.BOSS ]
       ]
     ],
+    [ TrainerType.MAYLENE, [
+        [ Biome.DOJO, BiomePoolTier.BOSS ]
+      ]
+    ],
     [ TrainerType.FANTINA, [
         [ Biome.TEMPLE, BiomePoolTier.BOSS ]
       ]