diff --git a/src/pocketmine/network/RakLibInterface.php b/src/pocketmine/network/RakLibInterface.php
index 72f4fd392..600003369 100644
--- a/src/pocketmine/network/RakLibInterface.php
+++ b/src/pocketmine/network/RakLibInterface.php
@@ -28,6 +28,7 @@ use pocketmine\network\protocol\Info as ProtocolInfo;
 use pocketmine\Player;
 use pocketmine\Server;
 use raklib\protocol\EncapsulatedPacket;
+use raklib\protocol\PacketReliability;
 use raklib\RakLib;
 use raklib\server\RakLibServer;
 use raklib\server\ServerHandler;
@@ -200,7 +201,7 @@ class RakLibInterface implements ServerInstance, AdvancedSourceInterface{
 					$packet->__encapsulatedPacket = new CachedEncapsulatedPacket;
 					$packet->__encapsulatedPacket->identifierACK = null;
 					$packet->__encapsulatedPacket->buffer = chr(0xfe) . $packet->buffer; // #blameshoghi
-					$packet->__encapsulatedPacket->reliability = 3;
+					$packet->__encapsulatedPacket->reliability = PacketReliability::RELIABLE_ORDERED;
 					$packet->__encapsulatedPacket->orderChannel = 0;
 				}
 				$pk = $packet->__encapsulatedPacket;
@@ -216,7 +217,7 @@ class RakLibInterface implements ServerInstance, AdvancedSourceInterface{
 			if($pk === null){
 				$pk = new EncapsulatedPacket();
 				$pk->buffer = chr(0xfe) . $packet->buffer; // #blameshoghi
-				$packet->reliability = 3;
+				$packet->reliability = PacketReliability::RELIABLE_ORDERED;
 				$packet->orderChannel = 0;
 
 				if($needACK === true){
diff --git a/src/raklib b/src/raklib
index 989ad8198..cf46df92a 160000
--- a/src/raklib
+++ b/src/raklib
@@ -1 +1 @@
-Subproject commit 989ad8198cb5dd9b463a03831c1332e4cea60858
+Subproject commit cf46df92ac29d82b575357171d8a6102f90b0843