diff --git a/build.gradle.kts b/build.gradle.kts
index d80571bf..e0b7da19 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,23 +1,24 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 val githubRepo = "jakobkmar/KSpigot"
 
 group = "net.axay"
-version = "1.20.3"
+version = "1.20.4"
 
 description = "A Kotlin API for Minecraft plugins using the Spigot or Paper toolchain"
 
 plugins {
-    kotlin("jvm") version "1.9.21"
-    kotlin("plugin.serialization") version "1.9.21"
+    kotlin("jvm") version "1.9.24"
+    kotlin("plugin.serialization") version "1.9.24"
 
     `java-library`
     `maven-publish`
     signing
 
-    id("org.jetbrains.dokka") version "1.9.10"
+    id("org.jetbrains.dokka") version "1.9.20"
 
-    id("io.papermc.paperweight.userdev") version "1.5.11"
+    id("io.papermc.paperweight.userdev") version "1.7.1"
 }
 
 repositories {
@@ -25,11 +26,11 @@ repositories {
 }
 
 dependencies {
-    paperweight.paperDevBundle("1.20.4-R0.1-SNAPSHOT")
+    paperweight.paperDevBundle("1.20.6-R0.1-SNAPSHOT")
 
-    api("org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.2")
-    api("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")
-    api("org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.7.3")
+    api("org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3")
+    api("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.1")
+    api("org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.8.1")
 }
 
 tasks {
@@ -39,11 +40,11 @@ tasks {
 
     withType<JavaCompile> {
         options.encoding = "UTF-8"
-        options.release.set(17)
+        options.release.set(21)
     }
 
     withType<KotlinCompile> {
-        kotlinOptions.jvmTarget = "17"
+        compilerOptions.jvmTarget.set(JvmTarget.JVM_21)
     }
 
     dokkaHtml.configure {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index a5952066..48c0a02c 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/main/kotlin/net/axay/kspigot/commands/internal/BrigardierSupport.kt b/src/main/kotlin/net/axay/kspigot/commands/internal/BrigardierSupport.kt
index 161be300..630d60c4 100644
--- a/src/main/kotlin/net/axay/kspigot/commands/internal/BrigardierSupport.kt
+++ b/src/main/kotlin/net/axay/kspigot/commands/internal/BrigardierSupport.kt
@@ -33,8 +33,8 @@ object BrigardierSupport {
     }
 
     @Suppress("HasPlatformType")
-    fun resolveCommandManager() = (server as org.bukkit.craftbukkit.v1_20_R3.CraftServer)
-        .server.vanillaCommandDispatcher
+    fun resolveCommandManager() = (server as org.bukkit.craftbukkit.CraftServer)
+        .server.commands
 
     internal fun registerAll() {
         executedDefaultRegistration = true
@@ -52,7 +52,7 @@ object BrigardierSupport {
     fun updateCommandTree() {
         onlinePlayers.forEach {
             // send the command tree
-            resolveCommandManager().sendCommands((it as org.bukkit.craftbukkit.v1_20_R3.entity.CraftPlayer).handle)
+            resolveCommandManager().sendCommands((it as org.bukkit.craftbukkit.entity.CraftPlayer).handle)
         }
     }
 }
diff --git a/src/main/kotlin/net/axay/kspigot/data/NBTDataLoader.kt b/src/main/kotlin/net/axay/kspigot/data/NBTDataLoader.kt
index b298690f..7a9ac2f4 100644
--- a/src/main/kotlin/net/axay/kspigot/data/NBTDataLoader.kt
+++ b/src/main/kotlin/net/axay/kspigot/data/NBTDataLoader.kt
@@ -3,9 +3,10 @@
 package net.axay.kspigot.data
 
 import net.axay.kspigot.annotations.NMS_General
+import net.minecraft.core.component.DataComponents
 import net.minecraft.nbt.CompoundTag
-import org.bukkit.craftbukkit.v1_20_R3.entity.CraftEntity
-import org.bukkit.craftbukkit.v1_20_R3.inventory.CraftItemStack
+import org.bukkit.craftbukkit.entity.CraftEntity
+import org.bukkit.craftbukkit.inventory.CraftItemStack
 import org.bukkit.entity.Entity
 import org.bukkit.inventory.ItemStack
 
@@ -22,8 +23,4 @@ var Entity.nbtData: CompoundTag
 
 @NMS_General
 val ItemStack.nbtData: CompoundTag
-    get() {
-        CraftItemStack.asNMSCopy(this).let {
-            return if (it.hasTag()) (it.tag ?: CompoundTag()) else CompoundTag()
-        }
-    }
+    get() = (this as? CraftItemStack)?.handle?.get(DataComponents.CUSTOM_DATA)?.copyTag() ?: CompoundTag()
diff --git a/src/main/kotlin/net/axay/kspigot/extensions/bukkit/EntityExtensions.kt b/src/main/kotlin/net/axay/kspigot/extensions/bukkit/EntityExtensions.kt
index 3c087bee..667dade1 100644
--- a/src/main/kotlin/net/axay/kspigot/extensions/bukkit/EntityExtensions.kt
+++ b/src/main/kotlin/net/axay/kspigot/extensions/bukkit/EntityExtensions.kt
@@ -138,7 +138,7 @@ fun Player.showOnlinePlayers() {
 @Deprecated("This function is unstable and it cannot be guaranteed that it will work at any time in the future.")
 @NMS_General
 fun Location.spawnCleanEntity(entityType: EntityType): Entity? {
-    val craftWorld = world as? org.bukkit.craftbukkit.v1_20_R3.CraftWorld ?: return null
+    val craftWorld = world as? org.bukkit.craftbukkit.CraftWorld ?: return null
     return craftWorld.makeEntity(this, entityType.entityClass!!)?.let {
         craftWorld.handle.addFreshEntity(it)
         return@let it.bukkitEntity
diff --git a/src/main/kotlin/net/axay/kspigot/extensions/events/InteractEventExtensions.kt b/src/main/kotlin/net/axay/kspigot/extensions/events/InteractEventExtensions.kt
index 9d12c541..4e0ecd85 100644
--- a/src/main/kotlin/net/axay/kspigot/extensions/events/InteractEventExtensions.kt
+++ b/src/main/kotlin/net/axay/kspigot/extensions/events/InteractEventExtensions.kt
@@ -21,7 +21,7 @@ val PlayerInteractEntityEvent.interactItem: ItemStack?
         return when (this.hand) {
             EquipmentSlot.HAND -> p.inventory.itemInMainHand
             EquipmentSlot.OFF_HAND -> p.inventory.itemInOffHand
-            EquipmentSlot.CHEST, EquipmentSlot.FEET, EquipmentSlot.HEAD, EquipmentSlot.LEGS -> null
+            EquipmentSlot.CHEST, EquipmentSlot.FEET, EquipmentSlot.HEAD, EquipmentSlot.LEGS, EquipmentSlot.BODY -> null
         }
     }
 
diff --git a/src/main/kotlin/net/axay/kspigot/structures/Structure.kt b/src/main/kotlin/net/axay/kspigot/structures/Structure.kt
index 0f67ec5a..13e182ac 100644
--- a/src/main/kotlin/net/axay/kspigot/structures/Structure.kt
+++ b/src/main/kotlin/net/axay/kspigot/structures/Structure.kt
@@ -10,7 +10,7 @@ import org.bukkit.Location
 import org.bukkit.Material
 import org.bukkit.block.Block
 import org.bukkit.block.data.BlockData
-import org.bukkit.craftbukkit.v1_20_R3.entity.CraftEntity
+import org.bukkit.craftbukkit.entity.CraftEntity
 import org.bukkit.entity.Entity
 import org.bukkit.entity.EntityType