diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d07234..63791b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Kube Utils Changelog
 
-## [20.4.0]
+## [21.1.0]
 
 ### Changed
 
-- Updated to 1.20.4
+- Updated to 1.21.1 thanks to [@Saereth](https://github.com/Saereth)
diff --git a/build.gradle b/build.gradle
index b653afe..672b7ac 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ plugins {
     id 'eclipse'
     id 'idea'
     id 'maven-publish'
-    id 'net.neoforged.gradle.userdev' version '7.0.142'
+    id 'net.neoforged.gradle.userdev' version '7.0.145'
     id "me.modmuss50.mod-publish-plugin" version "0.5.1"
 }
 
@@ -18,10 +18,8 @@ base {
     archivesName =project.archives_base_name
 }
 
-java.toolchain.languageVersion = JavaLanguageVersion.of(17)
+java.toolchain.languageVersion = JavaLanguageVersion.of(21)
 
-//def MAVEN_URL = "https://maven.saps.dev/${SNAPSHOT ? "snapshots" : "releases"}"
-//def MAVEN_VERSION = project.version + (SNAPSHOT ? "-SNAPSHOT" : "")
 
 runs {
     configureEach {
@@ -51,29 +49,8 @@ configurations {
     runtimeClasspath.extendsFrom localRuntime
 }
 
-//loom {
-//    silentMojangMappingsLicense()
-//
-//    forge {
-//        mixinConfigs = [
-//                "kubeutils.mixins.json"
-//        ]
-//
-//        dataGen {
-//            mod project.mod_id
-//        }
-//    }
-//
-//    launches {
-//        data {
-//            arg "--existing", file("src/main/resources").absolutePath
-//        }
-//    }
-//}
-
 dependencies {
-    implementation "net.neoforged:neoforge:${mcBase}.${neoforge_version}"
-
+    implementation "net.neoforged:neoforge:${neoforge_full_version}"
     implementation "dev.latvian.mods:kubejs-neoforge:${kubejs_version}"
 }
 
@@ -82,9 +59,10 @@ repositories {
 
     maven {
         name = "Kubejs"
-        url "https://maven.saps.dev/minecraft"
+        url "https://maven.latvian.dev/releases"
         content {
             includeGroup "dev.latvian.mods"
+            includeGroup "dev.latvian.apps"
         }
     }
 
@@ -101,13 +79,15 @@ tasks.withType(ProcessResources).configureEach {
             minecraft_version      : minecraft_version,
             neoforge_base_two      : mcBase,
             neoforge_loader_version: neoforge_loader_version,
+            neoforge_full_version: neoforge_full_version,
             version                : version,
+            neo_version_range: neo_version_range,
             kubejs_version       : kubejs_version
     ]
 
     inputs.properties replaceProperties
 
-    filesMatching(['META-INF/mods.toml']) {
+    filesMatching(['META-INF/neoforge.mods.toml']) {
         expand replaceProperties
     }
 }
@@ -122,25 +102,6 @@ idea {
         downloadJavadoc = true
     }
 }
-//
-//if (ENV.CURSEFORGE_KEY) {
-//    curseforge {
-//        apiKey = ENV.CURSEFORGE_KEY
-//        project {
-//            id = project.curseforge_id
-//            releaseType = "release"
-//            addGameVersion "Forge"
-//            addGameVersion "Java 17"
-//            addGameVersion project.minecraft_version
-//            mainArtifact(remapJar.archiveFile)
-//            relations {
-//                requiredDependency 'kubejs'
-//            }
-//            changelog = file("./CHANGELOG.md")
-//            changelogType = 'markdown'
-//        }
-//    }
-//}
 
 publishing {
     publications {
diff --git a/gradle.properties b/gradle.properties
index e235f15..76ce0f8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,11 +2,13 @@
 org.gradle.jvmargs=-Xmx2G
 
 # The MC version is used to determine the base the version for neo and the mod
-minecraft_version=1.20.4
+minecraft_version=1.21.1
 
-neoforge_version=237
-neoforge_loader_version=2
+neoforge_version=55
+neoforge_full_version=21.1.55
+neoforge_loader_version=4
 mod_version=0
+neo_version_range=[21.1.0-beta,)
 
 maven_group=pro.mikey.mods
 archives_base_name=kube-utils
@@ -16,4 +18,4 @@ mod_author=ErrorMikey/Mikey
 curseforge_id=678815
 modrinth_id=JHdL51WR
 
-kubejs_version=2004.7.0-build.24
+kubejs_version=2101.7.0-build.131
diff --git a/settings.gradle b/settings.gradle
index ada876e..fd1434c 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -8,4 +8,4 @@ pluginManagement {
 
 plugins {
     id 'org.gradle.toolchains.foojay-resolver-convention' version '0.8.0'
-}
+}
\ No newline at end of file
diff --git a/src/main/java/pro/mikey/kubeutils/KubeUtils.java b/src/main/java/pro/mikey/kubeutils/KubeUtils.java
index 4cc3498..fda0720 100644
--- a/src/main/java/pro/mikey/kubeutils/KubeUtils.java
+++ b/src/main/java/pro/mikey/kubeutils/KubeUtils.java
@@ -1,5 +1,6 @@
 package pro.mikey.kubeutils;
 
+import net.minecraft.resources.ResourceLocation;
 import net.neoforged.fml.common.Mod;
 import net.neoforged.neoforge.common.NeoForge;
 import org.apache.logging.log4j.LogManager;
@@ -19,4 +20,8 @@ public KubeUtils() {
     public static String getId() {
         return MOD_ID;
     }
+
+    public static ResourceLocation id(String path) {
+        return ResourceLocation.fromNamespaceAndPath(MOD_ID, path);
+    }
 }
diff --git a/src/main/java/pro/mikey/kubeutils/kubejs/KubeUtilsPlugin.java b/src/main/java/pro/mikey/kubeutils/kubejs/KubeUtilsPlugin.java
index fa93342..c21a9f8 100644
--- a/src/main/java/pro/mikey/kubeutils/kubejs/KubeUtilsPlugin.java
+++ b/src/main/java/pro/mikey/kubeutils/kubejs/KubeUtilsPlugin.java
@@ -1,25 +1,25 @@
 package pro.mikey.kubeutils.kubejs;
 
-import dev.latvian.mods.kubejs.KubeJSPlugin;
-import dev.latvian.mods.kubejs.script.BindingsEvent;
+import dev.latvian.mods.kubejs.event.EventGroupRegistry;
+import dev.latvian.mods.kubejs.plugin.ClassFilter;
+import dev.latvian.mods.kubejs.plugin.KubeJSPlugin;
+import dev.latvian.mods.kubejs.script.BindingRegistry;
 import dev.latvian.mods.kubejs.script.ScriptType;
-import dev.latvian.mods.kubejs.util.ClassFilter;
 import pro.mikey.kubeutils.kubejs.events.KuEventsGroup;
 import pro.mikey.kubeutils.utils.Utils;
 
-public class KubeUtilsPlugin extends KubeJSPlugin {
+public class KubeUtilsPlugin implements KubeJSPlugin {
     @Override
-    public void registerBindings(BindingsEvent event) {
-        event.add("Ku", BaseBindings.class);
+    public void registerBindings(BindingRegistry bindings){
+        bindings.add("Ku", BaseBindings.class);
     }
 
     @Override
-    public void registerEvents() {
-        KuEventsGroup.GROUP.register();
+    public void registerEvents(EventGroupRegistry registry) {
+        registry.register(KuEventsGroup.GROUP);
     }
 
-    @Override
-    public void registerClasses(ScriptType type, ClassFilter filter) {
+    public void registerWrappers(ScriptType type, ClassFilter filter) {
         filter.deny(Utils.class);
         filter.deny(BaseBindings.class);
         filter.deny(KubeUtilsPlugin.class);
diff --git a/src/main/java/pro/mikey/kubeutils/kubejs/events/PlayerStarterItems.java b/src/main/java/pro/mikey/kubeutils/kubejs/events/PlayerStarterItems.java
index bed98ba..f2a3791 100644
--- a/src/main/java/pro/mikey/kubeutils/kubejs/events/PlayerStarterItems.java
+++ b/src/main/java/pro/mikey/kubeutils/kubejs/events/PlayerStarterItems.java
@@ -2,11 +2,14 @@
 
 import dev.latvian.mods.kubejs.core.EntityKJS;
 import dev.latvian.mods.kubejs.event.EventResult;
+import dev.latvian.mods.kubejs.event.KubeEvent;
 import dev.latvian.mods.kubejs.item.ItemHandlerUtils;
-import dev.latvian.mods.kubejs.player.PlayerEventJS;
+import dev.latvian.mods.kubejs.player.KubeJSPlayerEventHandler;
+import dev.latvian.mods.rhino.Context;
 import net.minecraft.world.entity.EquipmentSlot;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
+import org.jetbrains.annotations.Nullable;
 import pro.mikey.kubeutils.events.KuEvents;
 import pro.mikey.kubeutils.kubejs.modules.PlayerKu;
 import pro.mikey.kubeutils.utils.Utils;
@@ -32,7 +35,7 @@
  * </code
  */
 @KuEvent(KuEvents.PLAYER_STARTER_ITEMS)
-public class PlayerStarterItems extends PlayerEventJS {
+public class PlayerStarterItems extends KubeJSPlayerEventHandler implements KubeEvent {
     public static final String STARTER_ITEMS_GIVEN_FLAG = Utils.kuIdStorage("sig");
 
     private final Player player;
@@ -65,7 +68,12 @@ public void addEquipmentItem(String equipmentSlot, ItemStack item) {
 
 
     @Override
-    protected void afterPosted(EventResult cancelled) {
+    public @Nullable Object defaultExitValue(Context cx) {
+        return KubeEvent.super.defaultExitValue(cx);
+    }
+
+    @Override
+    public void afterPosted(EventResult cancelled) {
         if (cancelled.interruptTrue()) {
             return;
         }
@@ -94,7 +102,6 @@ protected void afterPosted(EventResult cancelled) {
         }
     }
 
-    @Override
     public Player getEntity() {
         return this.player;
     }
diff --git a/src/main/java/pro/mikey/kubeutils/kubejs/modules/LevelKu.java b/src/main/java/pro/mikey/kubeutils/kubejs/modules/LevelKu.java
index 3c896b7..e63d943 100644
--- a/src/main/java/pro/mikey/kubeutils/kubejs/modules/LevelKu.java
+++ b/src/main/java/pro/mikey/kubeutils/kubejs/modules/LevelKu.java
@@ -24,7 +24,7 @@
 import java.util.function.Predicate;
 
 public class LevelKu {
-    private static final ResourceLocation UNKNOWN = new ResourceLocation(KubeUtils.getId(), "unknown");
+    private static final ResourceLocation UNKNOWN = KubeUtils.id("unknown");
     private final ServerLevel level;
 
     public LevelKu(ServerLevel level) {
@@ -39,7 +39,10 @@ public LevelKu(ServerLevel level) {
      * @param spawnLocation     the location you wish spawn the structure at
      */
     public void spawnStructure(String structureFile, BlockPos spawnLocation) {
-        ResourceLocation structureLocation = new ResourceLocation(structureFile);
+        ResourceLocation structureLocation = ResourceLocation.tryParse(structureFile);
+        if (structureLocation == null) {
+            return;
+        }
 
         Optional<StructureTemplate> structureTemplate = level.getServer().getStructureManager().get(structureLocation);
         structureTemplate.ifPresent(e -> e.placeInWorld(level, spawnLocation, spawnLocation, new StructurePlaceSettings(), level.random, Block.UPDATE_ALL));
diff --git a/src/main/java/pro/mikey/kubeutils/kubejs/modules/PlayerKu.java b/src/main/java/pro/mikey/kubeutils/kubejs/modules/PlayerKu.java
index 88ff11f..eeae6fb 100644
--- a/src/main/java/pro/mikey/kubeutils/kubejs/modules/PlayerKu.java
+++ b/src/main/java/pro/mikey/kubeutils/kubejs/modules/PlayerKu.java
@@ -1,8 +1,8 @@
 package pro.mikey.kubeutils.kubejs.modules;
 
+import dev.latvian.mods.kubejs.color.Color;
 import dev.latvian.mods.kubejs.core.ComponentKJS;
 import dev.latvian.mods.kubejs.core.EntityKJS;
-import dev.latvian.mods.rhino.mod.util.color.Color;
 import net.minecraft.client.player.LocalPlayer;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.chat.Component;
@@ -26,7 +26,7 @@ public PlayerKu(Player player) {
      * the {@link Component} class can offer whilst having alternative methods to display simpler text like a string.
      *
      * @see #showActionBar(String)
-     * @see #showActionBar(String, Color, boolean, boolean)
+     *
      *
      * <b>Example</b>
      * <code>
diff --git a/src/main/java/pro/mikey/kubeutils/kubejs/modules/UtilsKu.java b/src/main/java/pro/mikey/kubeutils/kubejs/modules/UtilsKu.java
index 546be2d..e71d340 100644
--- a/src/main/java/pro/mikey/kubeutils/kubejs/modules/UtilsKu.java
+++ b/src/main/java/pro/mikey/kubeutils/kubejs/modules/UtilsKu.java
@@ -14,8 +14,8 @@
 import net.minecraft.world.level.material.Fluids;
 
 public class UtilsKu {
-    private static final ResourceLocation EMPTY_LOCATION = new ResourceLocation("minecraft:empty");
-    private static final ResourceLocation AIR_LOCATION = new ResourceLocation("minecraft:air");
+    private static final ResourceLocation EMPTY_LOCATION = ResourceLocation.withDefaultNamespace("empty");
+    private static final ResourceLocation AIR_LOCATION = ResourceLocation.withDefaultNamespace("air");
 
     public UtilsKu() {
     }
diff --git a/src/main/resources/META-INF/mods.toml b/src/main/resources/META-INF/neoforge.mods.toml
similarity index 100%
rename from src/main/resources/META-INF/mods.toml
rename to src/main/resources/META-INF/neoforge.mods.toml