diff --git a/mappings/net/minecraft/world/biome/source/util/VanillaBiomeParameters.mapping b/mappings/net/minecraft/world/biome/source/util/VanillaBiomeParameters.mapping
index 3b1a1182ff..77c55b673b 100644
--- a/mappings/net/minecraft/world/biome/source/util/VanillaBiomeParameters.mapping
+++ b/mappings/net/minecraft/world/biome/source/util/VanillaBiomeParameters.mapping
@@ -206,7 +206,8 @@ CLASS net/minecraft/class_6554 net/minecraft/world/biome/source/util/VanillaBiom
 	METHOD method_40011 getHumidityParameters ()[Lnet/minecraft/class_6544$class_6546;
 	METHOD method_40012 getErosionParameters ()[Lnet/minecraft/class_6544$class_6546;
 	METHOD method_40013 getContinentalnessParameters ()[Lnet/minecraft/class_6544$class_6546;
-	METHOD method_40014 getWeirdnessParameters ()[Lnet/minecraft/class_6544$class_6546;
+	METHOD method_40014 getPeaksValleysParameters ()[Lnet/minecraft/class_6544$class_6546;
+	METHOD method_40015 getWeirdnessParameters ()[Lnet/minecraft/class_6544$class_6546;
 	METHOD method_41419 writeDeepDarkParameters (Ljava/util/function/Consumer;Lnet/minecraft/class_6544$class_6546;Lnet/minecraft/class_6544$class_6546;Lnet/minecraft/class_6544$class_6546;Lnet/minecraft/class_6544$class_6546;Lnet/minecraft/class_6544$class_6546;FLnet/minecraft/class_5321;)V
 		ARG 1 parameters
 		ARG 2 temperature
@@ -216,5 +217,9 @@ CLASS net/minecraft/class_6554 net/minecraft/world/biome/source/util/VanillaBiom
 		ARG 6 weirdness
 		ARG 7 offset
 		ARG 8 biome
+	METHOD method_43718 inDeepDarkParameters (Lnet/minecraft/class_6910;Lnet/minecraft/class_6910;Lnet/minecraft/class_6910$class_6912;)Z
+		ARG 0 erosion
+		ARG 1 depth
+		ARG 2 pos
 	METHOD method_46678 writeDebug (Ljava/util/function/Consumer;)V
 		ARG 1 parameters