diff --git a/fabric-1.21.9/build.gradle b/fabric-1.21.9/build.gradle
index 29a366a9..4edde49f 100644
--- a/fabric-1.21.9/build.gradle
+++ b/fabric-1.21.9/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom' version '1.10.5'
+	id 'fabric-loom' version '1.11-SNAPSHOT'
 }
 
 archivesBaseName = "Dynmap"
@@ -8,7 +8,7 @@ group = parent.group
 
 eclipse {
     project {
-        name = "Dynmap(Fabric-1.21.6)"
+        name = "Dynmap(Fabric-1.21.9)"
     }
 }
 
@@ -34,7 +34,8 @@ dependencies {
 
     shadow project(path: ':DynmapCore', configuration: 'shadow')
 
-    modCompileOnly "me.lucko:fabric-permissions-api:0.1-SNAPSHOT"
+    // modCompileOnly "me.lucko:fabric-permissions-api:0.1-SNAPSHOT"
+    modCompileOnly files("../libs/fabric-permissions-api-0.1.jar")
     compileOnly 'net.luckperms:api:5.4'
 }
 
diff --git a/fabric-1.21.9/gradle.properties b/fabric-1.21.9/gradle.properties
index fea2c1bf..9e1958d3 100644
--- a/fabric-1.21.9/gradle.properties
+++ b/fabric-1.21.9/gradle.properties
@@ -1,6 +1,6 @@
-minecraft_version=1.21.6
+minecraft_version=1.21.9
 
 # see https://fabricmc.net/develop/
-yarn_mappings=1.21.6+build.1
-loader_version=0.16.14
-fabric_version=0.128.2+1.21.6
+yarn_mappings=1.21.9+build.1
+loader_version=0.17.2
+fabric_version=0.133.14+1.21.9
diff --git a/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/DynmapPlugin.java b/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/DynmapPlugin.java
index fb998d55..19b6b242 100644
--- a/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/DynmapPlugin.java
+++ b/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/DynmapPlugin.java
@@ -259,7 +259,7 @@ public class DynmapPlugin {
         }
 
         // TODO: Consider whether cheats are enabled for integrated server
-        return server.isSingleplayer() && server.isHost(server.getPlayerManager().getPlayer(player).getGameProfile());
+        return server.isSingleplayer() && server.isHost(server.getPlayerManager().getPlayer(player).getPlayerConfigEntry());
     }
 
     boolean hasPerm(PlayerEntity psender, String permission) {
diff --git a/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricPlayer.java b/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricPlayer.java
index fdec35b3..bd3ac506 100644
--- a/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricPlayer.java
+++ b/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricPlayer.java
@@ -44,7 +44,7 @@ public class FabricPlayer extends FabricCommandSender implements DynmapPlayer {
             uuid = this.player.getUuid();
             GameProfile prof = this.player.getGameProfile();
             if (prof != null) {
-                Property textureProperty = Iterables.getFirst(prof.getProperties().get("textures"), null);
+                Property textureProperty = Iterables.getFirst(prof.properties().get("textures"), null);
 
                 if (textureProperty != null) {
                     DynmapPlugin.TexturesPayload result = null;
@@ -99,8 +99,8 @@ public class FabricPlayer extends FabricCommandSender implements DynmapPlayer {
             return null;
         }
 
-        Vec3d pos = player.getPos();
-        return FabricAdapter.toDynmapLocation(plugin, player.getWorld(), pos.getX(), pos.getY(), pos.getZ());
+        // Vec3d pos = player.movement;
+        return FabricAdapter.toDynmapLocation(plugin, player.getEntityWorld(), player.getX(), player.getY(), player.getZ());
     }
 
     @Override
@@ -109,7 +109,7 @@ public class FabricPlayer extends FabricCommandSender implements DynmapPlayer {
             return null;
         }
 
-        World world = player.getWorld();
+        World world = player.getEntityWorld();
         if (world != null) {
             return plugin.getWorld(world).getName();
         }
diff --git a/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricServer.java b/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricServer.java
index 84357897..493c2f2f 100644
--- a/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricServer.java
+++ b/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricServer.java
@@ -1,6 +1,5 @@
 package org.dynmap.fabric_1_21_9;
 
-import com.mojang.authlib.GameProfile;
 import net.fabricmc.loader.api.FabricLoader;
 import net.fabricmc.loader.api.ModContainer;
 import net.minecraft.block.AbstractSignBlock;
@@ -14,6 +13,7 @@ import net.minecraft.server.BannedPlayerList;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.PlayerManager;
 import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.server.PlayerConfigEntry;
 import net.minecraft.text.Text;
 import net.minecraft.util.UserCache;
 import net.minecraft.util.Util;
@@ -63,9 +63,8 @@ public class FabricServer extends DynmapServerInterface {
         this.biomeRegistry = server.getRegistryManager().getOrThrow(RegistryKeys.BIOME);
     }
 
-    private Optional<GameProfile> getProfileByName(String player) {
-        UserCache cache = server.getUserCache();
-        return cache.findByName(player);
+    private Optional<PlayerConfigEntry> getProfileByName(String playerName) {
+        return Optional.ofNullable(PlayerConfigEntry.fromNickname(playerName));
     }
 
     public final Registry<Biome> getBiomeRegistry() {
@@ -202,12 +201,10 @@ public class FabricServer extends DynmapServerInterface {
     public boolean isPlayerBanned(String pid) {
         PlayerManager scm = server.getPlayerManager();
         BannedPlayerList bl = scm.getUserBanList();
-        try {
-            return bl.contains(getProfileByName(pid).get());
-        } catch (NoSuchElementException e) {
-            /* If this profile doesn't exist, default to "banned" for good measure. */
-            return true;
-        }
+
+        return getProfileByName(pid)
+            .map(profile -> bl.get(profile) != null)
+            .orElse(true);
     }
 
     @Override
diff --git a/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricWorld.java b/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricWorld.java
index 9d96888f..9891528b 100644
--- a/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricWorld.java
+++ b/fabric-1.21.9/src/main/java/org/dynmap/fabric_1_21_9/FabricWorld.java
@@ -2,6 +2,7 @@ package org.dynmap.fabric_1_21_9;
 
 import net.minecraft.registry.RegistryKey;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.WorldProperties.SpawnPoint;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.world.Heightmap;
 import net.minecraft.world.LightType;
@@ -96,7 +97,7 @@ public class FabricWorld extends DynmapWorld {
     @Override
     public DynmapLocation getSpawnLocation() {
         if (world != null) {
-            BlockPos spawnPos = world.getLevelProperties().getSpawnPos();
+            BlockPos spawnPos = world.getLevelProperties().getSpawnPoint().getPos().toImmutable();
             spawnloc.x = spawnPos.getX();
             spawnloc.y = spawnPos.getY();
             spawnloc.z = spawnPos.getZ();
diff --git a/fabric-1.21.9/src/main/resources/fabric.mod.json b/fabric-1.21.9/src/main/resources/fabric.mod.json
index ca350c21..9ee0b6f1 100644
--- a/fabric-1.21.9/src/main/resources/fabric.mod.json
+++ b/fabric-1.21.9/src/main/resources/fabric.mod.json
@@ -27,8 +27,8 @@
   "accessWidener" : "dynmap.accesswidener",
 
   "depends": {
-    "fabricloader": ">=0.16.9",
+    "fabricloader": ">=0.17.2",
     "fabric": ">=0.108.0",
-    "minecraft": ["1.21.6","1.21.7", "1.21.8"]
+    "minecraft": ["1.21.9"]
   }
 }