diff --git a/gradle.properties b/gradle.properties
index 489352b..44816bd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,12 +1,12 @@
 org.gradle.jvmargs  = -Xmx1G
 
 #Fabric properties
-minecraft_version=1.21.4
-yarn_mappings=1.21.4+build.7
+minecraft_version=1.21.1
+yarn_mappings=1.21.1+build.3
 loader_version=0.16.9
 
 # Fabric API
-fabric_version=0.114.0+1.21.4
+fabric_version=0.114.0+1.21.1
 
 #Mod properties
 mod_version         = 0.9.7
diff --git a/src/main/java/quimufu/structure_item/StructureItemMod.java b/src/main/java/quimufu/structure_item/StructureItemMod.java
index f6a3e64..1376711 100644
--- a/src/main/java/quimufu/structure_item/StructureItemMod.java
+++ b/src/main/java/quimufu/structure_item/StructureItemMod.java
@@ -2,11 +2,8 @@ package quimufu.structure_item;
 
 import net.fabricmc.api.ModInitializer;
 import net.minecraft.item.Item;
-import net.minecraft.item.Items;
 import net.minecraft.registry.Registries;
 import net.minecraft.registry.Registry;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.registry.RegistryKeys;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.Rarity;
 import org.apache.logging.log4j.Level;
@@ -20,18 +17,15 @@ public class StructureItemMod implements ModInitializer {
 
     public static final String MOD_ID = "structure_item";
     public static final String MOD_NAME = "Structure Item Mod (Fabric)";
-    public static final Item ITEM = Items.register(
-            RegistryKey.of(RegistryKeys.ITEM, Identifier.of(MOD_ID, "item")),
-            MyItem::new,
-            new Item.Settings()
+    public static final Item item = new MyItem(new Item.Settings()
                     .fireproof()
                     .rarity(Rarity.RARE)
-                    .maxCount(1)
-    );
+                    .maxCount(1));
 
     @Override
     public void onInitialize() {
         log(Level.INFO, "Initializing");
+        Registry.register(Registries.ITEM, Identifier.of(MOD_ID, "item"), item);
     }
 
     public static void log(Level level, String message) {