diff --git a/bin/ensure_minecraft_assets.js b/bin/ensure_minecraft_assets.js
new file mode 100644
index 0000000..7cd6482
--- /dev/null
+++ b/bin/ensure_minecraft_assets.js
@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+
+const fs = require('fs')
+const { spawnSync } = require('child_process')
+
+const assetsCheck = 'minecraft-assets/data/26.1.2/blocks_textures.json'
+const assetsRepo = 'https://github.com/mneuhaus/minecraft-assets.git'
+const assetsBranch = 'add-26.1.2-assets'
+
+if (fs.existsSync(assetsCheck)) process.exit(0)
+
+if (fs.existsSync('.git')) {
+  const result = spawnSync('git', ['submodule', 'update', '--init', '--recursive'], { stdio: 'inherit' })
+  if (result.status === 0 && fs.existsSync(assetsCheck)) process.exit(0)
+}
+
+fs.rmSync('minecraft-assets', { recursive: true, force: true })
+
+const clone = spawnSync('git', ['clone', '--depth', '1', '--filter=blob:none', '--sparse', '--branch', assetsBranch, assetsRepo, 'minecraft-assets'], { stdio: 'inherit' })
+if (clone.status !== 0) process.exit(clone.status || 1)
+
+const sparse = spawnSync('git', ['-C', 'minecraft-assets', 'sparse-checkout', 'set', 'data'], { stdio: 'inherit' })
+if (sparse.status !== 0) process.exit(sparse.status || 1)
+
+if (!fs.existsSync(assetsCheck)) {
+  console.error(`Could not load ${assetsCheck}`)
+  process.exit(1)
+}
diff --git a/index.js b/index.js
index 0e4dd7f..f0d8153 100644
--- a/index.js
+++ b/index.js
@@ -176,6 +176,34 @@ const data = {
     textureContent: require('./minecraft-assets/data/1.21.8/texture_content'),
     blocksStates: require('./minecraft-assets/data/1.21.8/blocks_states'),
     blocksModels: require('./minecraft-assets/data/1.21.8/blocks_models')
+  },
+  '1.21.9': {
+    blocksTextures: require('./minecraft-assets/data/1.21.9/blocks_textures'),
+    itemsTextures: require('./minecraft-assets/data/1.21.9/items_textures'),
+    textureContent: require('./minecraft-assets/data/1.21.9/texture_content'),
+    blocksStates: require('./minecraft-assets/data/1.21.9/blocks_states'),
+    blocksModels: require('./minecraft-assets/data/1.21.9/blocks_models')
+  },
+  '1.21.10': {
+    blocksTextures: require('./minecraft-assets/data/1.21.10/blocks_textures'),
+    itemsTextures: require('./minecraft-assets/data/1.21.10/items_textures'),
+    textureContent: require('./minecraft-assets/data/1.21.10/texture_content'),
+    blocksStates: require('./minecraft-assets/data/1.21.10/blocks_states'),
+    blocksModels: require('./minecraft-assets/data/1.21.10/blocks_models')
+  },
+  '1.21.11': {
+    blocksTextures: require('./minecraft-assets/data/1.21.11/blocks_textures'),
+    itemsTextures: require('./minecraft-assets/data/1.21.11/items_textures'),
+    textureContent: require('./minecraft-assets/data/1.21.11/texture_content'),
+    blocksStates: require('./minecraft-assets/data/1.21.11/blocks_states'),
+    blocksModels: require('./minecraft-assets/data/1.21.11/blocks_models')
+  },
+  '26.1.2': {
+    blocksTextures: require('./minecraft-assets/data/26.1.2/blocks_textures'),
+    itemsTextures: require('./minecraft-assets/data/26.1.2/items_textures'),
+    textureContent: require('./minecraft-assets/data/26.1.2/texture_content'),
+    blocksStates: require('./minecraft-assets/data/26.1.2/blocks_states'),
+    blocksModels: require('./minecraft-assets/data/26.1.2/blocks_models')
   }
 }
 
diff --git a/minecraft-assets b/minecraft-assets
index adb82d5..ddfa868 160000
--- a/minecraft-assets
+++ b/minecraft-assets
@@ -1 +1 @@
-Subproject commit adb82d5d764511b0509a63827229656093bb1509
+Subproject commit ddfa868c0708aecf9a3b2268fc43ebba7bf4492c
diff --git a/package.json b/package.json
index 0137ff8..685343e 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "test": "npm run lint",
     "lint": "standard",
     "fix": "standard --fix",
-    "prepare": "npm install require-self && require-self"
+    "prepare": "node bin/ensure_minecraft_assets.js && npm install require-self && require-self"
   },
   "repository": {
     "type": "git",