diff --git a/composer.lock b/composer.lock
index 34c1f14b0..543a9524c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -253,12 +253,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/pmmp/BedrockProtocol.git",
-                "reference": "c8d891b4dff9817d5fcd373dfec0608b20be3b0a"
+                "reference": "146498c279b3dc645ab6b8cdf45f7b96d8a33f8b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/pmmp/BedrockProtocol/zipball/c8d891b4dff9817d5fcd373dfec0608b20be3b0a",
-                "reference": "c8d891b4dff9817d5fcd373dfec0608b20be3b0a",
+                "url": "https://api.github.com/repos/pmmp/BedrockProtocol/zipball/146498c279b3dc645ab6b8cdf45f7b96d8a33f8b",
+                "reference": "146498c279b3dc645ab6b8cdf45f7b96d8a33f8b",
                 "shasum": ""
             },
             "require": {
@@ -293,7 +293,7 @@
                 "issues": "https://github.com/pmmp/BedrockProtocol/issues",
                 "source": "https://github.com/pmmp/BedrockProtocol/tree/master"
             },
-            "time": "2021-10-29T20:54:42+00:00"
+            "time": "2021-11-01T15:46:55+00:00"
         },
         {
             "name": "pocketmine/binaryutils",
diff --git a/src/network/mcpe/NetworkSession.php b/src/network/mcpe/NetworkSession.php
index 82f1516b6..4a7cfe259 100644
--- a/src/network/mcpe/NetworkSession.php
+++ b/src/network/mcpe/NetworkSession.php
@@ -348,6 +348,10 @@ class NetworkSession{
 
 		try{
 			foreach($stream->getPackets($this->packetPool, $this->packetSerializerContext, 500) as [$packet, $buffer]){
+				if($packet === null){
+					$this->logger->debug("Unknown packet: " . base64_encode($buffer));
+					throw new PacketHandlingException("Unknown packet received");
+				}
 				try{
 					$this->handleDataPacket($packet, $buffer);
 				}catch(PacketHandlingException $e){