diff --git a/mappings/net/minecraft/world/World.mapping b/mappings/net/minecraft/world/World.mapping
index 173110a706..696b96626f 100644
--- a/mappings/net/minecraft/world/World.mapping
+++ b/mappings/net/minecraft/world/World.mapping
@@ -90,6 +90,7 @@ CLASS none/aiu net/minecraft/world/World
 		ARG 0 chunkX
 		ARG 1 chunkY
 	METHOD d isAir (Lnone/cn;)Z
+	METHOD e updateSleepingStatus ()V
 	METHOD f (Lnone/cn;)Lnone/atm;
 		ARG 0 pos
 	METHOD f (Lnone/se;)V
diff --git a/mappings/net/minecraft/world/WorldServer.mapping b/mappings/net/minecraft/world/WorldServer.mapping
index 6b864dacd8..f089a8ae7c 100644
--- a/mappings/net/minecraft/world/WorldServer.mapping
+++ b/mappings/net/minecraft/world/WorldServer.mapping
@@ -8,6 +8,7 @@ CLASS none/lu net/minecraft/world/WorldServer
 		ARG 0 entity
 	METHOD aE isMainThread ()Z
 	METHOD b getWorld ()Lnone/aiu;
+	METHOD e updateSleepingStatus ()V
 	METHOD k updateEntities ()V
 	METHOD n createChunkProvider ()Lnone/ath;
 	METHOD r getServerChunkProvider ()Lnone/lt;