diff --git a/mappings/net/minecraft/world/dimension/DimensionType.mapping b/mappings/net/minecraft/world/dimension/DimensionType.mapping
index 53a6e727ba..3afd968743 100644
--- a/mappings/net/minecraft/world/dimension/DimensionType.mapping
+++ b/mappings/net/minecraft/world/dimension/DimensionType.mapping
@@ -9,10 +9,12 @@ CLASS bye net/minecraft/world/dimension/DimensionType
 		ARG 2 suffix
 		ARG 3 saveDir
 		ARG 4 factory
+		ARG 5 hasSkylight
 	METHOD a getAll ()Ljava/lang/Iterable;
 	METHOD a byRawId (I)Lbye;
 	METHOD a create (Lbhi;)Lbyd;
 	METHOD a getId (Lbye;)Lqs;
+	METHOD a deserialize (Lcom/mojang/datafixers/Dynamic;)Lbye;
 	METHOD a getFile (Ljava/io/File;)Ljava/io/File;
 	METHOD a register (Ljava/lang/String;Lbye;)Lbye;
 		ARG 0 id