diff --git a/pom.xml b/pom.xml
index 0f839a4..0e3cdc3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,8 +8,8 @@
     <version>UNOFFICIAL</version>
 
     <properties>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
@@ -51,7 +51,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.4</version>
+                <version>3.3.0</version>
 
                 <configuration>
 
@@ -90,14 +90,14 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.16.5-R0.1-SNAPSHOT</version>
+            <version>1.21.4-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>com.github.slimefun</groupId>
             <artifactId>Slimefun4</artifactId>
-            <version>RC-27</version>
+            <version>experimental-SNAPSHOT</version>
             <scope>provided</scope>
             <exclusions>
                 <exclusion>
@@ -110,8 +110,8 @@
         <dependency>
             <groupId>org.bstats</groupId>
             <artifactId>bstats-bukkit</artifactId>
-            <version>2.2.1</version>
+            <version>3.1.0</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
-</project>
\ No newline at end of file
+</project>
diff --git a/src/main/java/io/github/thebusybiscuit/slimefunorechunks/OreChunks.java b/src/main/java/io/github/thebusybiscuit/slimefunorechunks/OreChunks.java
index 643503a..b48a82b 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefunorechunks/OreChunks.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefunorechunks/OreChunks.java
@@ -25,40 +25,40 @@ public void onEnable() {
 			new GitHubBuildsUpdater(this, getFile(), "TheBusyBiscuit/SlimefunOreChunks/master").start();
 		}
 		
-		ItemGroup itemGroup = new ItemGroup(new NamespacedKey(this, "ore_chunks"), new CustomItemStack(PlayerHead.getItemStack(PlayerSkin.fromHashCode("dde8f949bbf3a42782c531fbf8de9dc2d8cd84dd7cb8f5d5328eeda83956aac8")), "&6Ore Chunks"));
+		ItemGroup itemGroup = new ItemGroup(new NamespacedKey(this, "ore_chunks"), CustomItemStack.create(PlayerHead.getItemStack(PlayerSkin.fromHashCode("dde8f949bbf3a42782c531fbf8de9dc2d8cd84dd7cb8f5d5328eeda83956aac8")), "&6Ore Chunks"));
 		
 		new OreChunk(this, itemGroup, "IRON_ORE_CHUNK", "Iron Ore Chunk", 4, "44cc1ccc75d0f724af8a5fe273edaf4c6d5951f9e4d038f9f16e4f2673ce3833",
-		SlimefunItems.IRON_DUST).register(this);
+		SlimefunItems.IRON_DUST.item()).register(this);
 		
 		new OreChunk(this, itemGroup, "GOLD_ORE_CHUNK", "Gold Ore Chunk", 2, "3184478b211439f3e2c509c3424ea5ff2fce73825c8bebf96cfccd103e4922eb",
-		SlimefunItems.GOLD_DUST).register(this);
+		SlimefunItems.GOLD_DUST.item()).register(this);
 		
 		new OreChunk(this, itemGroup, "COPPER_ORE_CHUNK", "Copper Ore Chunk", 5, "60d748757d6efddde852e0a4a1a9b92f2e4c58b1ea9a1731a32f6cedf2c23b36",
-		SlimefunItems.COPPER_DUST).register(this);
+		SlimefunItems.COPPER_DUST.item()).register(this);
 		
 		new OreChunk(this, itemGroup, "TIN_ORE_CHUNK", "Tin Ore Chunk", 3, "de2c955177ff65a2d55af17743755090a5a6b68b3586ccbc31a342dad9ef7799",
-		SlimefunItems.TIN_DUST).register(this);
+		SlimefunItems.TIN_DUST.item()).register(this);
 		
 		new OreChunk(this, itemGroup, "SILVER_ORE_CHUNK", "Silver Ore Chunk", 2, "dde8f949bbf3a42782c531fbf8de9dc2d8cd84dd7cb8f5d5328eeda83956aac8",
-		SlimefunItems.SILVER_DUST).register(this);
+		SlimefunItems.SILVER_DUST.item()).register(this);
 		
 		new OreChunk(this, itemGroup, "ALUMINUM_ORE_CHUNK", "Aluminum Ore Chunk", 4, "46732368c980b4c27495664bd50b5820cc37c573fb37a88f34c5d3a0dec66219",
-		SlimefunItems.ALUMINUM_DUST).register(this);
+		SlimefunItems.ALUMINUM_DUST.item()).register(this);
 		
 		new OreChunk(this, itemGroup, "LEAD_ORE_CHUNK", "Lead Ore Chunk", 2, "2333fcec07c89c5fdb886caf5e3ebf8c6a536dd662b31f91c1a6dbd913bc3db0",
-		SlimefunItems.LEAD_DUST).register(this);
+		SlimefunItems.LEAD_DUST.item()).register(this);
 		
 		new OreChunk(this, itemGroup, "ZINC_ORE_CHUNK", "Zinc Ore Chunk", 3, "63f82f20266b4b8e0456110379f941fca16413846e231e8ac202dc2caf7ffb41",
-		SlimefunItems.ZINC_DUST).register(this);
+		SlimefunItems.ZINC_DUST.item()).register(this);
 
 		new OreChunk(this, itemGroup, "MAGNESIUM_ORE_CHUNK", "Magnesium Ore Chunk", 4, "e8c99d857a5b34331699ce6b5449d8d75f6c50b294ea1a29108f66ca086528bb",
-		SlimefunItems.MAGNESIUM_DUST).register(this);
+		SlimefunItems.MAGNESIUM_DUST.item()).register(this);
 
 		new OreChunk(this, itemGroup, "NICKEL_ORE_CHUNK", "Nickel Ore Chunk", "&7You can smelt this into an Ingot in a Smeltery", 2, "3ba30df8316cdfe3c5b1ad7aa9775c94c3ad5e502ea1254efeb41344f7962381",
-		RecipeType.SMELTERY, SlimefunItems.NICKEL_INGOT).register(this);
+		RecipeType.SMELTERY, SlimefunItems.NICKEL_INGOT.item()).register(this);
 		
 		new OreChunk(this, itemGroup, "COBALT_ORE_CHUNK", "Cobalt Ore Chunk", "&7You can smelt this into an Ingot in a Smeltery", 1, "ec54a54b1a49c29686be1c6e3e05dd068f85e994c8c893838cc5878b5446bc8a",
-		RecipeType.SMELTERY, SlimefunItems.COBALT_INGOT).register(this);
+		RecipeType.SMELTERY, SlimefunItems.COBALT_INGOT.item()).register(this);
 	}
 
 	@Override