diff --git a/gradle.properties b/gradle.properties
index 9144e9a..82bac1a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,17 +10,17 @@ neogradle.subsystems.parchment.mappingsVersion=2024.05.01
 # Environment Properties
 # You can find the latest versions here: https://projects.neoforged.net/neoforged/neoforge
 # The Minecraft version must agree with the Neo version to get a valid artifact
-minecraft_version=1.20.6
+minecraft_version=1.21
 # The Minecraft version range can use any release version of Minecraft as bounds.
 # Snapshots, pre-releases, and release candidates are not guaranteed to sort properly
 # as they do not follow standard versioning conventions.
-minecraft_version_range=[1.20.6,1.21)
+minecraft_version_range=[1.21,1.21.1)
 # The Neo version must agree with the Minecraft version to get a valid artifact
-neo_version=20.6.112-beta
+neo_version=21.0.0-beta
 # The Neo version range can use any version of Neo as bounds
-neo_version_range=[20.6,)
+neo_version_range=[21.0.0-beta,)
 # The loader version range can only use the major version of FML as bounds
-loader_version_range=[2,)
+loader_version_range=[4,)
 
 ## Mod Properties
 
diff --git a/src/main/java/com/example/examplemod/Config.java b/src/main/java/com/example/examplemod/Config.java
index 7f5aa8b..d70d1eb 100644
--- a/src/main/java/com/example/examplemod/Config.java
+++ b/src/main/java/com/example/examplemod/Config.java
@@ -45,7 +45,7 @@ public class Config
 
     private static boolean validateItemName(final Object obj)
     {
-        return obj instanceof String itemName && BuiltInRegistries.ITEM.containsKey(new ResourceLocation(itemName));
+        return obj instanceof String itemName && BuiltInRegistries.ITEM.containsKey(ResourceLocation.parse(itemName));
     }
 
     @SubscribeEvent
@@ -57,7 +57,7 @@ public class Config
 
         // convert the list of strings into a set of items
         items = ITEM_STRINGS.get().stream()
-                .map(itemName -> BuiltInRegistries.ITEM.get(new ResourceLocation(itemName)))
+                .map(itemName -> BuiltInRegistries.ITEM.get(ResourceLocation.parse(itemName)))
                 .collect(Collectors.toSet());
     }
 }