diff --git a/src/raknet/client.rs b/src/raknet/client.rs
index 8a84664..4cb13e1 100644
--- a/src/raknet/client.rs
+++ b/src/raknet/client.rs
@@ -7,6 +7,7 @@ use endio::LittleEndian as LE;
 pub enum MessageId {
 	ConnectedPong = 3,
 	ConnectionRequestAccepted = 14,
+	DisconnectionNotification = 19,
 	UserMessage = 83,
 }
 
@@ -18,6 +19,7 @@ macro_rules! rak_client_msg {
 pub enum Message {
 	ConnectedPong($crate::raknet::client::ConnectedPong),
 	ConnectionRequestAccepted($crate::raknet::client::ConnectionRequestAccepted),
+	DisconnectionNotification,
 	UserMessage($T),
 }
 
@@ -36,6 +38,9 @@ impl<W: LEWrite> endio::Serialize<LE, W> for &Message
 				writer.write($crate::raknet::client::MessageId::ConnectionRequestAccepted as u8)?;
 				writer.write(msg)?;
 			}
+			Message::DisconnectionNotification => {
+				writer.write($crate::raknet::client::MessageId::DisconnectionNotification as u8)?;
+			}
 			Message::UserMessage(msg) => {
 				writer.write($crate::raknet::client::MessageId::UserMessage as u8)?;
 				writer.write(msg)?;
diff --git a/src/raknet/server.rs b/src/raknet/server.rs
index 91be06a..88c66de 100644
--- a/src/raknet/server.rs
+++ b/src/raknet/server.rs
@@ -11,6 +11,7 @@ pub enum MessageId {
 	InternalPing = 0,
 	ConnectionRequest = 4,
 	NewIncomingConnection = 17,
+	DisconnectionNotification = 19,
 	UserMessage = 83,
 }
 
@@ -23,6 +24,7 @@ pub enum Message {
 	InternalPing($crate::raknet::server::InternalPing),
 	ConnectionRequest($crate::raknet::server::ConnectionRequest),
 	NewIncomingConnection($crate::raknet::server::NewIncomingConnection),
+	DisconnectionNotification,
 	UserMessage($T),
 }
 
@@ -40,6 +42,8 @@ impl<R: endio::LERead> endio::Deserialize<LE, R> for Message
 			Self::ConnectionRequest(LERead::read(reader)?)
 		}	else if message_id == $crate::raknet::server::MessageId::NewIncomingConnection as u8 {
 			Self::NewIncomingConnection(LERead::read(reader)?)
+		} else if message_id == $crate::raknet::server::MessageId::DisconnectionNotification as u8 {
+			Self::DisconnectionNotification
 		} else if message_id == $crate::raknet::server::MessageId::UserMessage as u8 {
 			Self::UserMessage(LERead::read(reader)?)
 		} else {