diff --git a/minecraft/__init__.py b/minecraft/__init__.py
index dcfa743..b63749e 100644
--- a/minecraft/__init__.py
+++ b/minecraft/__init__.py
@@ -461,6 +461,7 @@ KNOWN_MINECRAFT_VERSION_RECORDS = [
     Version('20w46a',                PRE | 6,  True),
     Version('20w48a',                PRE | 7,  True),
     Version('1.17',                  755,      True),
+    Version('1.17.1',                  756,      True),
 ]
 
 # An OrderedDict mapping the id string of each known Minecraft version to its
diff --git a/minecraft/networking/packets/clientbound/play/__init__.py b/minecraft/networking/packets/clientbound/play/__init__.py
index ce8d740..1a7b8c0 100644
--- a/minecraft/networking/packets/clientbound/play/__init__.py
+++ b/minecraft/networking/packets/clientbound/play/__init__.py
@@ -150,7 +150,7 @@ class SetCompressionPacket(Packet):
     def get_id(context):
         return 0x03 if context.protocol_later_eq(755) else \
                0x46
-
+    
     packet_name = "set compression"
     definition = [
         {'threshold': VarInt}]
@@ -374,7 +374,6 @@ class EntityLookPacket(Packet):
         {'on_ground': Boolean}
     ]
 
-
 class ResourcePackSendPacket(Packet):
     @staticmethod
     def get_id(context):
@@ -384,5 +383,7 @@ class ResourcePackSendPacket(Packet):
     packet_name = "resource pack send"
     definition = [
         {"url": String},
-        {"hash": String}
-    ]
+        {"hash": String},
+        {"forced": Boolean},
+        {"forced_message": String}
+    ]
\ No newline at end of file
diff --git a/minecraft/networking/packets/clientbound/play/map_packet.py b/minecraft/networking/packets/clientbound/play/map_packet.py
index 23457de..ddd47f0 100644
--- a/minecraft/networking/packets/clientbound/play/map_packet.py
+++ b/minecraft/networking/packets/clientbound/play/map_packet.py
@@ -101,7 +101,10 @@ class MapPacket(Packet):
             icon = MapPacket.MapIcon(type, direction, (x, z), display_name)
             self.icons.append(icon)
 
-        self.width = UnsignedByte.read(file_object)
+        try:
+            self.width = UnsignedByte.read(file_object)
+        except:
+            self.width = None
         if self.width:
             self.height = UnsignedByte.read(file_object)
             x = Byte.read(file_object)
diff --git a/minecraft/networking/packets/clientbound/play/player_position_and_look_packet.py b/minecraft/networking/packets/clientbound/play/player_position_and_look_packet.py
index c7c04de..4e2ed00 100644
--- a/minecraft/networking/packets/clientbound/play/player_position_and_look_packet.py
+++ b/minecraft/networking/packets/clientbound/play/player_position_and_look_packet.py
@@ -34,7 +34,7 @@ class PlayerPositionAndLookPacket(Packet, BitFieldEnum):
         {'pitch': Float},
         {'flags': Byte},
         {'teleport_id': VarInt} if context.protocol_later_eq(107) else {},
-        {'dismount_vehicle': Boolean} if context.protocol_later_eq(755) else {},
+        {'dismount_vehicle':Boolean} if context.protocol_later_eq(755) else {},
     ])
 
     # Access the 'x', 'y', 'z' fields as a Vector tuple.
diff --git a/minecraft/networking/packets/serverbound/play/__init__.py b/minecraft/networking/packets/serverbound/play/__init__.py
index 10262e5..9dfaf44 100644
--- a/minecraft/networking/packets/serverbound/play/__init__.py
+++ b/minecraft/networking/packets/serverbound/play/__init__.py
@@ -268,7 +268,6 @@ class UseItemPacket(Packet):
 
     Hand = RelativeHand
 
-
 class ResourcePackStatusPacket(Packet):
     @staticmethod
     def get_id(context):
@@ -276,4 +275,4 @@ class ResourcePackStatusPacket(Packet):
     packet_name = "resource pask status"
     definition = [
         {"result": VarInt}
-    ]
+    ]
\ No newline at end of file