diff --git a/mappings/net/minecraft/network/packet/s2c/play/GameJoinS2CPacket.mapping b/mappings/net/minecraft/network/packet/s2c/play/GameJoinS2CPacket.mapping
index e7a6c80c45..821eb9f5f0 100644
--- a/mappings/net/minecraft/network/packet/s2c/play/GameJoinS2CPacket.mapping
+++ b/mappings/net/minecraft/network/packet/s2c/play/GameJoinS2CPacket.mapping
@@ -46,3 +46,8 @@ CLASS net/minecraft/class_2678 net/minecraft/network/packet/s2c/play/GameJoinS2C
 	METHOD method_29443 getDimensionIds ()Ljava/util/Set;
 	METHOD method_29444 getDimensionType ()Lnet/minecraft/class_2874;
 	METHOD method_30116 getPreviousGameMode ()Lnet/minecraft/class_1934;
+	METHOD method_34134 (Lnet/minecraft/class_2540;Lnet/minecraft/class_5321;)V
+		ARG 0 b
+		ARG 1 dimension
+	METHOD method_34135 (Lnet/minecraft/class_2540;)Lnet/minecraft/class_5321;
+		ARG 0 b
diff --git a/mappings/net/minecraft/network/packet/s2c/play/MapUpdateS2CPacket.mapping b/mappings/net/minecraft/network/packet/s2c/play/MapUpdateS2CPacket.mapping
index 0e43b5fd7b..107c6ba79a 100644
--- a/mappings/net/minecraft/network/packet/s2c/play/MapUpdateS2CPacket.mapping
+++ b/mappings/net/minecraft/network/packet/s2c/play/MapUpdateS2CPacket.mapping
@@ -17,3 +17,8 @@ CLASS net/minecraft/class_2683 net/minecraft/network/packet/s2c/play/MapUpdateS2
 	METHOD method_11644 getId ()I
 	METHOD method_32701 getScale ()B
 	METHOD method_32702 isLocked ()Z
+	METHOD method_34136 (Lnet/minecraft/class_2540;Lnet/minecraft/class_20;)V
+		ARG 0 b
+		ARG 1 icon
+	METHOD method_34137 (Lnet/minecraft/class_2540;)Lnet/minecraft/class_20;
+		ARG 0 b