diff --git a/index.html b/index.html
index 55c2cea..484c4ba 100644
--- a/index.html
+++ b/index.html
@@ -22,7 +22,7 @@
         crossorigin="" as="style" onload="this.onload=null;this.rel='stylesheet'" />
     <!--<link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"-->
 
-    <link rel="preload" as="fetch" href="/minecraft_overworld_1_20.snowcapped.json" crossorigin="" />
+    <link rel="preload" as="fetch" href="/minecraft_overworld_1_21_4.snowcapped.json" crossorigin="" />
     <link rel="apple-touch-icon" href="/icons/icon_192.png">
     <script
         src="https://beamanalytics.b-cdn.net/beam.min.js"
@@ -40,9 +40,9 @@
             <div class="button" id="newButton"><img alt="New" label="New" src="images/blank-file.svg" />
                 <div class="dropdown">
                     <div class="dropdown_entry" id="loadEmptyButton"><img alt="New" src="images/blank-file.svg" /><p>Empty</p></div>
-                    <div class="dropdown_entry" id="loadVanilla119Button"><img alt="New" src="images/blank-file.svg" /><p>Vanilla Overworld (1.19)</p></div>
-                    <div class="dropdown_entry" id="loadVanilla120Button"><img alt="New" src="images/blank-file.svg" /><p>Vanilla Overworld (1.20+)</p></div>
-                    <div class="dropdown_entry" id="loadVanilla121WinterDropButton"><img alt="New" src="images/blank-file.svg" /><p>Vanilla Overworld (1.21.2 Winter Drop)</p></div>
+                    <div class="dropdown_entry" id="loadVanilla119Button"><img alt="New" src="images/blank-file.svg" /><p>Vanilla Overworld (1.19.x)</p></div>
+                    <div class="dropdown_entry" id="loadVanilla120Button"><img alt="New" src="images/blank-file.svg" /><p>Vanilla Overworld (1.20 - 1.21.3)</p></div>
+                    <div class="dropdown_entry" id="loadVanilla1214Button"><img alt="New" src="images/blank-file.svg" /><p>Vanilla Overworld (1.21.4+)</p></div>
                 </div>
             </div>
             <div class="button" id="openButton" title="Open"><img alt="Open" src="images/open-file-folder.svg" /></div>
diff --git a/public/minecraft_overworld_1_21_winter_drop.snowcapped.json b/public/minecraft_overworld_1_21_4.snowcapped.json
similarity index 99%
rename from public/minecraft_overworld_1_21_winter_drop.snowcapped.json
rename to public/minecraft_overworld_1_21_4.snowcapped.json
index 647f678..0a9c574 100644
--- a/public/minecraft_overworld_1_21_winter_drop.snowcapped.json
+++ b/public/minecraft_overworld_1_21_4.snowcapped.json
@@ -6977,6 +6977,6 @@
       ]
     }
   },
-  "datapackVersion": 57,
+  "datapackVersion": 61,
   "version": 6
 }
\ No newline at end of file
diff --git a/src/SharedConstants.ts b/src/SharedConstants.ts
index 2dd04c4..70e10b8 100644
--- a/src/SharedConstants.ts
+++ b/src/SharedConstants.ts
@@ -1,4 +1,4 @@
 export const DATA_VERSION = 6
-export const DEFAULT_DATAPACK_FORMAT = 57
+export const DEFAULT_DATAPACK_FORMAT = 61
 export const MIN_DATAPACK_FORMAT = 10
-export const MAX_DATAPACK_FORMAT = 57
\ No newline at end of file
+export const MAX_DATAPACK_FORMAT = 61
\ No newline at end of file
diff --git a/src/main/UI/MenuManager.ts b/src/main/UI/MenuManager.ts
index aecd4eb..697f592 100644
--- a/src/main/UI/MenuManager.ts
+++ b/src/main/UI/MenuManager.ts
@@ -8,7 +8,7 @@ import { DataFixer } from "../BuilderData/DataFixer"
 export class MenuManager {
     private static loadVanilla119Button: HTMLElement
     private static loadVanilla120Button: HTMLElement
-    private static loadVanilla121WinterDropButton: HTMLElement
+    private static loadVanilla1214Button: HTMLElement
     private static loadEmptyButton: HTMLElement
     private static openButton: HTMLElement
     private static saveButton: HTMLElement
@@ -63,7 +63,7 @@ export class MenuManager {
     static createClickHandlers() {
         this.loadVanilla119Button = document.getElementById('loadVanilla119Button')
         this.loadVanilla120Button = document.getElementById('loadVanilla120Button')
-        this.loadVanilla121WinterDropButton = document.getElementById('loadVanilla121WinterDropButton')
+        this.loadVanilla1214Button = document.getElementById('loadVanilla1214Button')
         this.loadEmptyButton = document.getElementById('loadEmptyButton')
         this.openButton = document.getElementById('openButton')
         this.saveButton = document.getElementById('saveButton')
@@ -81,8 +81,8 @@ export class MenuManager {
             this.loadVanilla('minecraft_overworld_1_20.snowcapped.json')
         }
 
-        this.loadVanilla121WinterDropButton.onclick = (evt: Event) => {
-            this.loadVanilla('minecraft_overworld_1_21_winter_drop.snowcapped.json')
+        this.loadVanilla1214Button.onclick = (evt: Event) => {
+            this.loadVanilla('minecraft_overworld_1_21_4.snowcapped.json')
         }
 
         this.loadEmptyButton.onclick = async (evt: Event) => {
diff --git a/src/main/app.ts b/src/main/app.ts
index 30a8a1b..e3f858a 100644
--- a/src/main/app.ts
+++ b/src/main/app.ts
@@ -19,7 +19,7 @@ for (let i = 0; i < close_elements.length; i++) {
 const builder = new BiomeBuilder()
 UI.create(builder)
 
-fetch('minecraft_overworld_1_20.snowcapped.json').then(r => r.text()).then(jsonString => {
+fetch('minecraft_overworld_1_21_4.snowcapped.json').then(r => r.text()).then(jsonString => {
     builder.loadJSON(JSON.parse(jsonString));
     UI.getInstance().refresh({
         biome: {},