diff --git a/README.rst b/README.rst
index 20354a9..7da46d0 100644
--- a/README.rst
+++ b/README.rst
@@ -27,7 +27,7 @@ pyCraft is compatible with the following Minecraft releases:
 * 1.9, 1.9.1, 1.9.2, 1.9.3, 1.9.4
 * 1.10, 1.10.1, 1.10.2
 * 1.11, 1.11.1, 1.11.2
-* 1.12, 1.12.1
+* 1.12, 1.12.1, 1.12.2
 
 In addition, some development snapshots and pre-release versions are supported:
 `<minecraft/__init__.py>`_ contains a full list of supported Minecraft versions
diff --git a/minecraft/__init__.py b/minecraft/__init__.py
index 8b980bf..26a5ada 100644
--- a/minecraft/__init__.py
+++ b/minecraft/__init__.py
@@ -64,6 +64,9 @@ SUPPORTED_MINECRAFT_VERSIONS = {
     '17w31a':      336,
     '1.12.1-pre1': 337,
     '1.12.1':      338,
+    '1.12.2-pre1': 339,
+    '1.12.2-pre2': 339,
+    '1.12.2':      340,
 }
 
 SUPPORTED_PROTOCOL_VERSIONS = sorted(SUPPORTED_MINECRAFT_VERSIONS.values())
diff --git a/minecraft/networking/packets/keep_alive_packet.py b/minecraft/networking/packets/keep_alive_packet.py
index e762d63..71287d7 100644
--- a/minecraft/networking/packets/keep_alive_packet.py
+++ b/minecraft/networking/packets/keep_alive_packet.py
@@ -1,11 +1,13 @@
 from .packet import Packet
 
 from minecraft.networking.types import (
-    VarInt
+    VarInt, Long
 )
 
 
 class KeepAlivePacket(Packet):
     packet_name = "keep alive"
-    definition = [
-        {'keep_alive_id': VarInt}]
+    get_definition = staticmethod(lambda context: [
+        {'keep_alive_id': Long} if context.protocol_version >= 339
+        else {'keep_alive_id': VarInt}
+    ])