diff --git a/build.gradle b/build.gradle
index 7325bdae5e..874677f4cb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,7 +20,7 @@ plugins {
 	id 'net.fabricmc.filament'
 }
 
-def minecraft_version = "1.21-pre2"
+def minecraft_version = "1.21-pre3"
 
 filament {
 	minecraftVersion = minecraft_version
diff --git a/mappings/net/minecraft/client/render/entity/EntityRenderDispatcher.mapping b/mappings/net/minecraft/client/render/entity/EntityRenderDispatcher.mapping
index bfa3802551..97bde25063 100644
--- a/mappings/net/minecraft/client/render/entity/EntityRenderDispatcher.mapping
+++ b/mappings/net/minecraft/client/render/entity/EntityRenderDispatcher.mapping
@@ -99,7 +99,7 @@ CLASS net/minecraft/class_898 net/minecraft/client/render/entity/EntityRenderDis
 		ARG 12 light
 	METHOD method_3955 setRenderHitboxes (Z)V
 		ARG 1 renderHitboxes
-	METHOD method_3956 renderHitbox (Lnet/minecraft/class_4587;Lnet/minecraft/class_4588;Lnet/minecraft/class_1297;F)V
+	METHOD method_3956 renderHitbox (Lnet/minecraft/class_4587;Lnet/minecraft/class_4588;Lnet/minecraft/class_1297;FFFF)V
 		ARG 0 matrices
 		ARG 1 vertices
 		ARG 2 entity
diff --git a/mappings/net/minecraft/entity/decoration/ItemFrameEntity.mapping b/mappings/net/minecraft/entity/decoration/ItemFrameEntity.mapping
index 4fba8b281c..f60bd24881 100644
--- a/mappings/net/minecraft/entity/decoration/ItemFrameEntity.mapping
+++ b/mappings/net/minecraft/entity/decoration/ItemFrameEntity.mapping
@@ -20,7 +20,7 @@ CLASS net/minecraft/class_1533 net/minecraft/entity/decoration/ItemFrameEntity
 	METHOD method_34244 getRotateItemSound ()Lnet/minecraft/class_3414;
 	METHOD method_43271 setAsStackHolder (Lnet/minecraft/class_1799;)V
 		ARG 1 stack
-	METHOD method_43272 getMapId ()Lnet/minecraft/class_9209;
+	METHOD method_43272 getMapId (Lnet/minecraft/class_1799;)Lnet/minecraft/class_9209;
 	METHOD method_43273 containsMap ()Z
 	METHOD method_6933 setHeldItemStack (Lnet/minecraft/class_1799;Z)V
 		ARG 1 value
diff --git a/mappings/net/minecraft/item/LeadItem.mapping b/mappings/net/minecraft/item/LeadItem.mapping
index a3cd0935e2..eddae05092 100644
--- a/mappings/net/minecraft/item/LeadItem.mapping
+++ b/mappings/net/minecraft/item/LeadItem.mapping
@@ -1,6 +1,4 @@
 CLASS net/minecraft/class_1804 net/minecraft/item/LeadItem
-	METHOD method_55761 (Lnet/minecraft/class_1657;Lnet/minecraft/class_1297;)Z
-		ARG 1 entity
 	METHOD method_7994 attachHeldMobsToBlock (Lnet/minecraft/class_1657;Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;)Lnet/minecraft/class_1269;
 		ARG 0 player
 		ARG 1 world