diff --git a/build.gradle b/build.gradle
index fe5df59f2b..7fd66bcd9f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,7 +27,7 @@ plugins {
 	id 'net.fabricmc.filament' version '0.3.0'
 }
 
-def minecraft_version = "1.18.2-pre3"
+def minecraft_version = "1.18.2-rc1"
 
 def ENV = System.getenv()
 // Fetch build number from Github Actions
diff --git a/mappings/net/minecraft/server/world/ThreadedAnvilChunkStorage.mapping b/mappings/net/minecraft/server/world/ThreadedAnvilChunkStorage.mapping
index 954de9f905..305b863929 100644
--- a/mappings/net/minecraft/server/world/ThreadedAnvilChunkStorage.mapping
+++ b/mappings/net/minecraft/server/world/ThreadedAnvilChunkStorage.mapping
@@ -128,7 +128,7 @@ CLASS net/minecraft/class_3898 net/minecraft/server/world/ThreadedAnvilChunkStor
 	METHOD method_18704 getSquaredDistance (Lnet/minecraft/class_1923;Lnet/minecraft/class_1297;)D
 		ARG 0 pos
 		ARG 1 entity
-	METHOD method_18711 (Ljava/util/List;)Lcom/mojang/datafixers/util/Either;
+	METHOD method_18711 (Lnet/minecraft/class_2818;)V
 		ARG 1 chunks
 	METHOD method_18713 updatePosition (Lnet/minecraft/class_3222;)V
 		COMMENT Updates the chunk section position of the {@code player}. This updates the player