diff --git a/gradle.properties b/gradle.properties
index aba151a..3c96b34 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,9 +3,9 @@ org.gradle.jvmargs=-Xmx1G
 
 # Fabric Properties
 	# check these on https://modmuss50.me/fabric.html
-	minecraft_version=1.20.5
-	yarn_mappings=1.20.5+build.1
-	loader_version=0.15.10
+	minecraft_version=1.21
+	yarn_mappings=1.21+build.1
+	loader_version=0.15.11
 
 # Mod Properties
 	mod_version = 1.0+build.1
@@ -15,4 +15,4 @@ org.gradle.jvmargs=-Xmx1G
 
 # Dependencies
 	# check this on https://modmuss50.me/fabric.html
-	fabric_version=0.97.8+1.20.6
+	fabric_version=0.100.1+1.21
diff --git a/src/main/java/net/hypixel/modapi/fabric/FabricModAPI.java b/src/main/java/net/hypixel/modapi/fabric/FabricModAPI.java
index 9d4fb89..bf31ea8 100644
--- a/src/main/java/net/hypixel/modapi/fabric/FabricModAPI.java
+++ b/src/main/java/net/hypixel/modapi/fabric/FabricModAPI.java
@@ -13,6 +13,7 @@
 import net.minecraft.network.PacketByteBuf;
 import net.minecraft.network.codec.PacketCodec;
 import net.minecraft.network.packet.CustomPayload;
+import net.minecraft.util.Identifier;
 import org.slf4j.Logger;
 
 public class FabricModAPI implements ClientModInitializer {
@@ -70,7 +71,7 @@ private static void registerPacketSender() {
 
     private static void registerClientbound(String identifier) {
         try {
-            CustomPayload.Id<ClientboundHypixelPayload> clientboundId = CustomPayload.id(identifier);
+            CustomPayload.Id<ClientboundHypixelPayload> clientboundId = new CustomPayload.Id<>(Identifier.of(identifier));
             PacketCodec<PacketByteBuf, ClientboundHypixelPayload> codec = ClientboundHypixelPayload.buildCodec(clientboundId);
             PayloadTypeRegistry.playS2C().register(clientboundId, codec);
             PayloadTypeRegistry.configurationS2C().register(clientboundId, codec);
@@ -111,7 +112,7 @@ private static void handleIncomingPayload(String identifier, ClientboundHypixelP
 
     private static void registerServerbound(String identifier) {
         try {
-            CustomPayload.Id<ServerboundHypixelPayload> serverboundId = CustomPayload.id(identifier);
+            CustomPayload.Id<ServerboundHypixelPayload> serverboundId = new CustomPayload.Id<>(Identifier.of(identifier));
             PacketCodec<PacketByteBuf, ServerboundHypixelPayload> codec = ServerboundHypixelPayload.buildCodec(serverboundId);
             PayloadTypeRegistry.playC2S().register(serverboundId, codec);
             PayloadTypeRegistry.configurationC2S().register(serverboundId, codec);