diff --git a/fabric/build.gradle b/fabric/build.gradle
index 4b51f2bd6..7c6cda7b4 100644
--- a/fabric/build.gradle
+++ b/fabric/build.gradle
@@ -14,9 +14,9 @@ repositories {
 
 dependencies {
     // https://modmuss50.me/fabric.html
-    minecraft 'com.mojang:minecraft:1.17.1'
-    mappings 'net.fabricmc:yarn:1.17.1+build.39:v2'
-    modImplementation 'net.fabricmc:fabric-loader:0.11.6'
+    minecraft 'com.mojang:minecraft:1.18'
+    mappings 'net.fabricmc:yarn:1.18+build.1:v2'
+    modImplementation 'net.fabricmc:fabric-loader:0.12.6'
 
     Set<String> apiModules = [
             'fabric-api-base',
@@ -26,7 +26,7 @@ dependencies {
     ]
 
     apiModules.forEach {
-        modImplementation(fabricApi.module(it, '0.38.0+1.17'))
+        modImplementation(fabricApi.module(it, '0.43.1+1.18'))
     }
 
     include(modImplementation('me.lucko:fabric-permissions-api:0.1-SNAPSHOT'))
diff --git a/fabric/src/main/java/me/lucko/luckperms/fabric/context/FabricPlayerCalculator.java b/fabric/src/main/java/me/lucko/luckperms/fabric/context/FabricPlayerCalculator.java
index 193e73e3c..e964e9e7a 100644
--- a/fabric/src/main/java/me/lucko/luckperms/fabric/context/FabricPlayerCalculator.java
+++ b/fabric/src/main/java/me/lucko/luckperms/fabric/context/FabricPlayerCalculator.java
@@ -81,7 +81,7 @@ public class FabricPlayerCalculator implements ContextCalculator<ServerPlayerEnt
         }
 
         // TODO: figure out dimension type context too
-        ServerWorld world = target.getServerWorld();
+        ServerWorld world = target.getWorld();
         if (this.world) {
             this.plugin.getConfiguration().get(ConfigKeys.WORLD_REWRITES).rewriteAndSubmit(getContextKey(world.getRegistryKey().getValue()), consumer);
         }
diff --git a/fabric/src/main/java/me/lucko/luckperms/fabric/mixin/ClientSettingsC2SPacketAccessor.java b/fabric/src/main/java/me/lucko/luckperms/fabric/mixin/ClientSettingsC2SPacketAccessor.java
deleted file mode 100644
index 929006fca..000000000
--- a/fabric/src/main/java/me/lucko/luckperms/fabric/mixin/ClientSettingsC2SPacketAccessor.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * This file is part of LuckPerms, licensed under the MIT License.
- *
- *  Copyright (c) lucko (Luck) <luck@lucko.me>
- *  Copyright (c) contributors
- *
- *  Permission is hereby granted, free of charge, to any person obtaining a copy
- *  of this software and associated documentation files (the "Software"), to deal
- *  in the Software without restriction, including without limitation the rights
- *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *  copies of the Software, and to permit persons to whom the Software is
- *  furnished to do so, subject to the following conditions:
- *
- *  The above copyright notice and this permission notice shall be included in all
- *  copies or substantial portions of the Software.
- *
- *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *  SOFTWARE.
- */
-
-package me.lucko.luckperms.fabric.mixin;
-
-import net.minecraft.network.packet.c2s.play.ClientSettingsC2SPacket;
-
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.gen.Accessor;
-
-@Mixin(ClientSettingsC2SPacket.class)
-public interface ClientSettingsC2SPacketAccessor {
-
-    @Accessor("language")
-    String getLanguage();
-
-}
diff --git a/fabric/src/main/java/me/lucko/luckperms/fabric/mixin/ServerPlayerEntityMixin.java b/fabric/src/main/java/me/lucko/luckperms/fabric/mixin/ServerPlayerEntityMixin.java
index cc30d1e9c..3232599ee 100644
--- a/fabric/src/main/java/me/lucko/luckperms/fabric/mixin/ServerPlayerEntityMixin.java
+++ b/fabric/src/main/java/me/lucko/luckperms/fabric/mixin/ServerPlayerEntityMixin.java
@@ -70,7 +70,7 @@ public abstract class ServerPlayerEntityMixin implements MixinUser {
     private Locale luckperms$locale;
 
     // Used by PlayerChangeWorldCallback hook below.
-    @Shadow public abstract ServerWorld getServerWorld();
+    @Shadow public abstract ServerWorld getWorld();
 
     @Override
     public User getLuckPermsUser() {
@@ -148,12 +148,12 @@ public abstract class ServerPlayerEntityMixin implements MixinUser {
 
     @Inject(at = @At("HEAD"), method = "setClientSettings")
     private void luckperms_setClientSettings(ClientSettingsC2SPacket information, CallbackInfo ci) {
-        String language = ((ClientSettingsC2SPacketAccessor) information).getLanguage();
+        String language = information.language();
         this.luckperms$locale = TranslationManager.parseLocale(language);
     }
 
     @Inject(at = @At("TAIL"), method = "worldChanged")
     private void luckperms_onChangeDimension(ServerWorld targetWorld, CallbackInfo ci) {
-        PlayerChangeWorldCallback.EVENT.invoker().onChangeWorld(this.getServerWorld(), targetWorld, (ServerPlayerEntity) (Object) this);
+        PlayerChangeWorldCallback.EVENT.invoker().onChangeWorld(this.getWorld(), targetWorld, (ServerPlayerEntity) (Object) this);
     }
 }
diff --git a/fabric/src/main/resources/luckperms.mixins.json b/fabric/src/main/resources/luckperms.mixins.json
index 392d4dac7..24634c967 100644
--- a/fabric/src/main/resources/luckperms.mixins.json
+++ b/fabric/src/main/resources/luckperms.mixins.json
@@ -3,10 +3,9 @@
   "package": "me.lucko.luckperms.fabric.mixin",
   "compatibilityLevel": "JAVA_8",
   "mixins": [
-    "ClientSettingsC2SPacketAccessor",
+    "CommandManagerMixin",
     "ServerLoginNetworkHandlerAccessor",
-    "ServerPlayerEntityMixin",
-    "CommandManagerMixin"
+    "ServerPlayerEntityMixin"
   ],
   "client": [
   ],