diff --git a/docs/README.md b/docs/README.md
index 68fdd4bb..97360021 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -13,7 +13,7 @@ Parse and serialize minecraft packets, plus authentication and encryption.
 
  * Supports Minecraft PC version 1.7.10, 1.8.8, 1.9 (15w40b, 1.9, 1.9.1-pre2, 1.9.2, 1.9.4),
   1.10 (16w20a, 1.10-pre1, 1.10, 1.10.1, 1.10.2), 1.11 (16w35a, 1.11, 1.11.2), 1.12 (17w15a, 17w18b, 1.12-pre4, 1.12, 1.12.1, 1.12.2), and 1.13 (17w50a, 1.13, 1.13.1, 1.13.2-pre1, 1.13.2-pre2, 1.13.2), 1.14 (1.14, 1.14.1, 1.14.3, 1.14.4)
-  , 1.15 (1.15, 1.15.1, 1.15.2) and 1.16 (20w13b, 20w14a, 1.16-rc1, 1.16, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.5), 1.17 (21w07a, 1.17, 1.17.1), 1.18 (1.18, 1.18.1 and 1.18.2), 1.19 (1.19, 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6)
+  , 1.15 (1.15, 1.15.1, 1.15.2) and 1.16 (20w13b, 20w14a, 1.16-rc1, 1.16, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.5), 1.17 (21w07a, 1.17, 1.17.1), 1.18 (1.18, 1.18.1 and 1.18.2), 1.19 (1.19, 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.21.1)
  * Parses all packets and emits events with packet fields as JavaScript
    objects.
  * Send a packet by supplying fields as a JavaScript object.
diff --git a/package.json b/package.json
index b7978074..7904916b 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "endian-toggle": "^0.0.0",
     "lodash.get": "^4.1.2",
     "lodash.merge": "^4.3.0",
-    "minecraft-data": "^3.75.0",
+    "minecraft-data": "^3.78.0",
     "minecraft-folder-path": "^1.2.0",
     "node-fetch": "^2.6.1",
     "node-rsa": "^0.4.2",
diff --git a/src/version.js b/src/version.js
index 1bfcd27a..327c242b 100644
--- a/src/version.js
+++ b/src/version.js
@@ -1,6 +1,6 @@
 'use strict'
 
 module.exports = {
-  defaultVersion: '1.20.6',
-  supportedVersions: ['1.7', '1.8.8', '1.9.4', '1.10.2', '1.11.2', '1.12.2', '1.13.2', '1.14.4', '1.15.2', '1.16.5', '1.17.1', '1.18.2', '1.19', '1.19.2', '1.19.3', '1.19.4', '1.20', '1.20.1', '1.20.2', '1.20.4', '1.20.6']
+  defaultVersion: '1.21.1',
+  supportedVersions: ['1.7', '1.8.8', '1.9.4', '1.10.2', '1.11.2', '1.12.2', '1.13.2', '1.14.4', '1.15.2', '1.16.5', '1.17.1', '1.18.2', '1.19', '1.19.2', '1.19.3', '1.19.4', '1.20', '1.20.1', '1.20.2', '1.20.4', '1.20.6', '1.21.1']
 }
diff --git a/test/packetTest.js b/test/packetTest.js
index da03037d..534d28ed 100644
--- a/test/packetTest.js
+++ b/test/packetTest.js
@@ -135,6 +135,9 @@ const values = {
     delete results['..']
     return results
   },
+  vec2f: {
+    x: 0, y: 0
+  },
   vec3f: {
     x: 0, y: 0, z: 0
   },
@@ -153,6 +156,9 @@ const values = {
   SlotComponent: {
     type: 'hide_tooltip'
   },
+  ChatTypes: {
+    registryIndex: 1
+  },
   SlotComponentType: 0,
   nbt: nbtValue,
   optionalNbt: nbtValue,
diff --git a/test/serverTest.js b/test/serverTest.js
index 30ed0b0f..5837e765 100644
--- a/test/serverTest.js
+++ b/test/serverTest.js
@@ -83,7 +83,7 @@ for (const supportedVersion of mc.supportedVersions) {
         plainMessage: message,
         signedChatContent: '',
         unsignedChatContent: JSON.stringify({ text: message }),
-        type: 0,
+        type: mcData.supportFeature('incrementedChatType') ? { registryIndex: 1 } : 0,
         senderUuid: 'd3527a0b-bc03-45d5-a878-2aafdd8c8a43', // random
         senderName: JSON.stringify({ text: sender }),
         senderTeam: undefined,