diff --git a/pom.xml b/pom.xml
index 7a50e78..5a5b9a2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.21.1-R0.1-SNAPSHOT</version>
+            <version>1.21.4-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/src/main/java/pk/ajneb97/PlayerKits2.java b/src/main/java/pk/ajneb97/PlayerKits2.java
index 4b1cfaa..ace67ca 100644
--- a/src/main/java/pk/ajneb97/PlayerKits2.java
+++ b/src/main/java/pk/ajneb97/PlayerKits2.java
@@ -132,6 +132,9 @@ public class PlayerKits2 extends JavaPlugin {
             case "1.21.3":
                 serverVersion = ServerVersion.v1_21_R2;
                 break;
+            case "1.21.4":
+                serverVersion = ServerVersion.v1_21_R3;
+                break;
             default:
                 serverVersion = ServerVersion.valueOf(packageName.replace("org.bukkit.craftbukkit.", ""));
         }
diff --git a/src/main/java/pk/ajneb97/managers/KitItemManager.java b/src/main/java/pk/ajneb97/managers/KitItemManager.java
index 00b99ca..ffe82f0 100644
--- a/src/main/java/pk/ajneb97/managers/KitItemManager.java
+++ b/src/main/java/pk/ajneb97/managers/KitItemManager.java
@@ -11,6 +11,7 @@ import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.EnchantmentStorageMeta;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.inventory.meta.LeatherArmorMeta;
+import org.bukkit.inventory.meta.components.CustomModelDataComponent;
 import pk.ajneb97.PlayerKits2;
 import pk.ajneb97.model.internal.KitVariable;
 import pk.ajneb97.model.item.*;
@@ -19,6 +20,7 @@ import pk.ajneb97.utils.OtherUtils;
 import pk.ajneb97.utils.ServerVersion;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 public class KitItemManager {
 
@@ -76,7 +78,39 @@ public class KitItemManager {
             }
 
             if(OtherUtils.isNew() && meta.hasCustomModelData()) {
-                kitItem.setCustomModelData(meta.getCustomModelData());
+                if(!serverVersion.serverVersionGreaterEqualThan(serverVersion,ServerVersion.v1_21_R3)){
+                    kitItem.setCustomModelData(meta.getCustomModelData());
+                }
+            }
+
+            if(serverVersion.serverVersionGreaterEqualThan(serverVersion,ServerVersion.v1_21_R3)){
+                if(meta.hasCustomModelData()){
+                    CustomModelDataComponent customModelDataComponent = meta.getCustomModelDataComponent();
+
+                    List<String> customModelDataComponentFlagsList = customModelDataComponent.getFlags()
+                            .stream()
+                            .map(String::valueOf)
+                            .collect(Collectors.toList());
+
+                    List<String> customModelDataComponentColorsList = customModelDataComponent.getColors()
+                            .stream()
+                            .map(color -> String.valueOf(color.asRGB()))
+                            .collect(Collectors.toList());
+
+                    List<String> customModelDataComponentFloatsList = customModelDataComponent.getFloats()
+                            .stream()
+                            .map(String::valueOf)
+                            .collect(Collectors.toList());
+
+                    List<String> customModelDataComponentStringsList = new ArrayList<>(customModelDataComponent.getStrings());
+
+                    kitItem.setCustomModelComponentData(new KitItemCustomModelComponentData(
+                            customModelDataComponentFlagsList,
+                            customModelDataComponentColorsList,
+                            customModelDataComponentFloatsList,
+                            customModelDataComponentStringsList
+                    ));
+                }
             }
 
             if(meta instanceof LeatherArmorMeta) {
@@ -159,6 +193,31 @@ public class KitItemManager {
             meta.setCustomModelData(customModelData);
         }
 
+        ServerVersion serverVersion = PlayerKits2.serverVersion;
+        if(serverVersion.serverVersionGreaterEqualThan(serverVersion,ServerVersion.v1_21_R3)){
+            KitItemCustomModelComponentData kitItemCustomModelComponentData = kitItem.getCustomModelComponentData();
+            if(kitItemCustomModelComponentData != null){
+                CustomModelDataComponent customModelDataComponent = meta.getCustomModelDataComponent();
+
+                List<String> cFloats = kitItemCustomModelComponentData.getFloats();
+                List<String> cColors = kitItemCustomModelComponentData.getColors();
+                List<String> cFlags = kitItemCustomModelComponentData.getFlags();
+                List<String> cStrings = kitItemCustomModelComponentData.getStrings();
+
+                customModelDataComponent.setFlags(cFlags.stream()
+                        .map(Boolean::parseBoolean)
+                        .collect(Collectors.toList()));
+                customModelDataComponent.setFloats(cFloats.stream()
+                        .map(Float::parseFloat)
+                        .collect(Collectors.toList()));
+                customModelDataComponent.setColors(cColors.stream()
+                        .map(rgb -> Color.fromRGB(Integer.parseInt(rgb)))
+                        .collect(Collectors.toList()));
+                customModelDataComponent.setStrings(new ArrayList<>(cStrings));
+                meta.setCustomModelDataComponent(customModelDataComponent);
+            }
+        }
+
         List<String> enchants = kitItem.getEnchants();
         if(enchants != null) {
             for(int i=0;i<enchants.size();i++) {
@@ -214,8 +273,6 @@ public class KitItemManager {
         List<String> attributes = kitItem.getAttributes();
         item = ItemUtils.setAttributes(plugin,item, attributes);
 
-        ServerVersion serverVersion = PlayerKits2.serverVersion;
-
         //Item Flags
         meta = item.getItemMeta();
         List<String> flags = kitItem.getFlags();
@@ -262,6 +319,15 @@ public class KitItemManager {
             if(item.getCustomModelData() != 0) {
                 config.set(path+".custom_model_data", item.getCustomModelData());
             }
+
+            KitItemCustomModelComponentData customModelComponentData = item.getCustomModelComponentData();
+            if(customModelComponentData != null){
+                if(!customModelComponentData.getFlags().isEmpty()) config.set(path+".custom_model_component_data.flags",customModelComponentData.getFlags());
+                if(!customModelComponentData.getFloats().isEmpty()) config.set(path+".custom_model_component_data.floats",customModelComponentData.getFloats());
+                if(!customModelComponentData.getColors().isEmpty()) config.set(path+".custom_model_component_data.colors",customModelComponentData.getColors());
+                if(!customModelComponentData.getStrings().isEmpty()) config.set(path+".custom_model_component_data.strings",customModelComponentData.getStrings());
+            }
+
             if(item.getColor() != 0) {
                 config.set(path+".color", item.getColor());
             }
@@ -365,6 +431,29 @@ public class KitItemManager {
             List<String> canPlace = config.contains(path+".can_place") ? config.getStringList(path+".can_place") : null;
             List<String> canDestroy = config.contains(path+".can_destroy") ? config.getStringList(path+".can_destroy") : null;
 
+            KitItemCustomModelComponentData customModelComponentData = null;
+            if(config.contains(path+".custom_model_component_data")) {
+                List<String> cFlags = new ArrayList<>();
+                List<String> cFloats = new ArrayList<>();
+                List<String> cColors = new ArrayList<>();
+                List<String> cStrings = new ArrayList<>();
+
+                if(config.contains(path+".custom_model_component_data.flags")) {
+                    cFlags = config.getStringList(path+".custom_model_component_data.flags");
+                }
+                if(config.contains(path+".custom_model_component_data.floats")) {
+                    cFloats = config.getStringList(path+".custom_model_component_data.floats");
+                }
+                if(config.contains(path+".custom_model_component_data.colors")) {
+                    cColors = config.getStringList(path+".custom_model_component_data.colors");
+                }
+                if(config.contains(path+".custom_model_component_data.strings")) {
+                    cStrings = config.getStringList(path+".custom_model_component_data.strings");
+                }
+
+                customModelComponentData = new KitItemCustomModelComponentData(cFlags,cColors,cFloats,cStrings);
+            }
+
             KitItemSkullData skullData = null;
             if(config.contains(path+".skull_data")) {
                 String skullTexture = null;
@@ -481,6 +570,7 @@ public class KitItemManager {
             kitItem.setBannerData(bannerData);
             kitItem.setBookData(bookData);
             kitItem.setTrimData(trimData);
+            kitItem.setCustomModelComponentData(customModelComponentData);
         }
 
         kitItem.setOffhand(offhand);
diff --git a/src/main/java/pk/ajneb97/model/item/KitItem.java b/src/main/java/pk/ajneb97/model/item/KitItem.java
index e4adb6c..974c4d0 100644
--- a/src/main/java/pk/ajneb97/model/item/KitItem.java
+++ b/src/main/java/pk/ajneb97/model/item/KitItem.java
@@ -35,6 +35,7 @@ public class KitItem{
     private KitItemBannerData bannerData;
     private KitItemBookData bookData;
     private KitItemTrimData trimData;
+    private KitItemCustomModelComponentData customModelComponentData;
 
     private boolean offhand;
     private int previewSlot;
@@ -223,6 +224,14 @@ public class KitItem{
         this.trimData = trimData;
     }
 
+    public KitItemCustomModelComponentData getCustomModelComponentData() {
+        return customModelComponentData;
+    }
+
+    public void setCustomModelComponentData(KitItemCustomModelComponentData customModelComponentData) {
+        this.customModelComponentData = customModelComponentData;
+    }
+
     public boolean isOffhand() {
         return offhand;
     }
@@ -283,6 +292,7 @@ public class KitItem{
         kitItem.setBannerData(bannerData != null ? bannerData.clone() : null);
         kitItem.setBookData(bookData != null ? bookData.clone() : null);
         kitItem.setTrimData(trimData != null ? trimData.clone() : null);
+        kitItem.setCustomModelComponentData(customModelComponentData != null ? customModelComponentData.clone() : null);
 
         kitItem.setPreviewSlot(previewSlot);
         kitItem.setOffhand(offhand);
diff --git a/src/main/java/pk/ajneb97/model/item/KitItemCustomModelComponentData.java b/src/main/java/pk/ajneb97/model/item/KitItemCustomModelComponentData.java
new file mode 100644
index 0000000..8ffc0c7
--- /dev/null
+++ b/src/main/java/pk/ajneb97/model/item/KitItemCustomModelComponentData.java
@@ -0,0 +1,54 @@
+package pk.ajneb97.model.item;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class KitItemCustomModelComponentData {
+    private List<String> flags;
+    private List<String> colors;
+    private List<String> floats;
+    private List<String> strings;
+
+    public KitItemCustomModelComponentData(List<String> flags, List<String> colors, List<String> floats, List<String> strings) {
+        this.flags = flags;
+        this.colors = colors;
+        this.floats = floats;
+        this.strings = strings;
+    }
+
+    public List<String> getFlags() {
+        return flags;
+    }
+
+    public void setFlags(List<String> flags) {
+        this.flags = flags;
+    }
+
+    public List<String> getColors() {
+        return colors;
+    }
+
+    public void setColors(List<String> colors) {
+        this.colors = colors;
+    }
+
+    public List<String> getFloats() {
+        return floats;
+    }
+
+    public void setFloats(List<String> floats) {
+        this.floats = floats;
+    }
+
+    public List<String> getStrings() {
+        return strings;
+    }
+
+    public void setStrings(List<String> strings) {
+        this.strings = strings;
+    }
+
+    public KitItemCustomModelComponentData clone(){
+        return new KitItemCustomModelComponentData(new ArrayList<>(flags),new ArrayList<>(colors),new ArrayList<>(floats),new ArrayList<>(strings));
+    }
+}
diff --git a/src/main/java/pk/ajneb97/utils/ActionUtils.java b/src/main/java/pk/ajneb97/utils/ActionUtils.java
index 62abf80..1afcd7b 100644
--- a/src/main/java/pk/ajneb97/utils/ActionUtils.java
+++ b/src/main/java/pk/ajneb97/utils/ActionUtils.java
@@ -12,6 +12,8 @@ import pk.ajneb97.libs.actionbar.ActionBarAPI;
 import pk.ajneb97.libs.titles.TitleAPI;
 import pk.ajneb97.managers.MessagesManager;
 
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import java.util.ArrayList;
 
 public class ActionUtils {
@@ -31,7 +33,7 @@ public class ActionUtils {
         int volume = 0;
         float pitch = 0;
         try {
-            sound = Sound.valueOf(sep[0]);
+            sound = getSoundByName(sep[0]);
             volume = Integer.valueOf(sep[1]);
             pitch = Float.valueOf(sep[2]);
         }catch(Exception e ) {
@@ -43,6 +45,16 @@ public class ActionUtils {
         player.playSound(player.getLocation(), sound, volume, pitch);
     }
 
+    private static Sound getSoundByName(String name){
+        try {
+            Class<?> soundTypeClass = Class.forName("org.bukkit.Sound");
+            Method valueOf = soundTypeClass.getMethod("valueOf", String.class);
+            return (Sound) valueOf.invoke(null,name);
+        } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException | ClassNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     public static void actionbar(Player player, String actionLine, PlayerKits2 plugin){
         String[] sep = actionLine.split(";");
         String text = sep[0];
diff --git a/src/main/java/pk/ajneb97/utils/ItemUtils.java b/src/main/java/pk/ajneb97/utils/ItemUtils.java
index f02f56c..2557482 100644
--- a/src/main/java/pk/ajneb97/utils/ItemUtils.java
+++ b/src/main/java/pk/ajneb97/utils/ItemUtils.java
@@ -618,8 +618,17 @@ public class ItemUtils {
 
 	// 1.21+ only
 	public static void addDummyAttribute(ItemMeta meta,PlayerKits2 plugin){
-		AttributeModifier modifier = new AttributeModifier(new NamespacedKey(plugin,"dummy_attribute"),0,AttributeModifier.Operation.ADD_NUMBER,EquipmentSlotGroup.FEET);
-		meta.addAttributeModifier(Attribute.GENERIC_GRAVITY, modifier);
+		try{
+			AttributeModifier modifier = new AttributeModifier(new NamespacedKey(plugin,"dummy_attribute"),0,AttributeModifier.Operation.ADD_NUMBER,EquipmentSlotGroup.FEET);
+			ServerVersion serverVersion = PlayerKits2.serverVersion;
+			if(serverVersion.serverVersionGreaterEqualThan(serverVersion,ServerVersion.v1_21_R3)){
+				meta.addAttributeModifier(Attribute.GRAVITY, modifier);
+			}else{
+				meta.addAttributeModifier(getAttributeByName("GENERIC_GRAVITY"), modifier);
+			}
+		}catch(Exception ignored){
+
+		}
 	}
 	
 	public static KitItemBookData getBookData(ItemStack item){
@@ -752,4 +761,14 @@ public class ItemUtils {
 			throw new RuntimeException(e);
 		}
 	}
+
+	private static Attribute getAttributeByName(String name){
+		try {
+			Class<?> attributeTypeClass = Class.forName("org.bukkit.attribute");
+			Method valueOf = attributeTypeClass.getMethod("valueOf", String.class);
+			return (Attribute) valueOf.invoke(null,name);
+		} catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException | ClassNotFoundException e) {
+			throw new RuntimeException(e);
+		}
+	}
 }
diff --git a/src/main/java/pk/ajneb97/utils/ServerVersion.java b/src/main/java/pk/ajneb97/utils/ServerVersion.java
index a848b49..f63c232 100644
--- a/src/main/java/pk/ajneb97/utils/ServerVersion.java
+++ b/src/main/java/pk/ajneb97/utils/ServerVersion.java
@@ -27,7 +27,8 @@ public enum ServerVersion {
     v1_20_R3,
     v1_20_R4,
     v1_21_R1,
-    v1_21_R2;
+    v1_21_R2,
+    v1_21_R3;
 
     public boolean serverVersionGreaterEqualThan(ServerVersion version1,ServerVersion version2){
         return version1.ordinal() >= version2.ordinal();
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 039c540..b8059d8 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,5 +1,5 @@
 main: pk.ajneb97.PlayerKits2
-version: 1.13.1
+version: 1.14.1
 name: PlayerKits2
 api-version: 1.13
 softdepend: [Vault,PlaceholderAPI]