diff --git a/protocol/src/protocol/packet.rs b/protocol/src/protocol/packet.rs
index 2c21b64..11169f3 100644
--- a/protocol/src/protocol/packet.rs
+++ b/protocol/src/protocol/packet.rs
@@ -2189,6 +2189,17 @@ state_packets!(
                 field status: VarInt =,
                 field successful: bool =,
             }
+            packet UpdateLight_Arrays {
+                field chunk_x: VarInt =,
+                field chunk_z: VarInt =,
+                field trust_edges: bool =,
+                field sky_light_mask: LenPrefixed<VarInt, i64> =,
+                field block_light_mask: LenPrefixed<VarInt, i64> =,
+                field empty_sky_light_mask: LenPrefixed<VarInt, i64> =,
+                field empty_block_light_mask: LenPrefixed<VarInt, i64> =,
+                field sky_light_arrays: LenPrefixed<VarInt, LenPrefixed<VarInt, u8>> =,
+                field block_light_arrays: LenPrefixed<VarInt, LenPrefixed<VarInt, u8>> =,
+            }
             packet UpdateLight_WithTrust {
                 field chunk_x: VarInt =,
                 field chunk_z: VarInt =,
@@ -2196,6 +2207,7 @@ state_packets!(
                 field sky_light_mask: VarInt =,
                 field block_light_mask: VarInt =,
                 field empty_sky_light_mask: VarInt =,
+                // TODO: this packet changed <=1.16.4, see https://wiki.vg/index.php?title=Protocol&oldid=16681#Update_Light
                 field light_arrays: Vec<u8> =,
             }
             packet UpdateLight_NoTrust {
diff --git a/protocol/src/protocol/versions/v1_17_1.rs b/protocol/src/protocol/versions/v1_17_1.rs
index 0651984..d00266f 100644
--- a/protocol/src/protocol/versions/v1_17_1.rs
+++ b/protocol/src/protocol/versions/v1_17_1.rs
@@ -95,7 +95,7 @@ protocol_packet_ids!(
             0x22 => ChunkData_Biomes3D_Bitmasks
             0x23 => Effect
             0x24 => Particle_f64
-            0x25 => UpdateLight_WithTrust
+            0x25 => UpdateLight_Arrays
             0x26 => JoinGame_WorldNames_IsHard
             0x27 => Maps
             0x28 => TradeList_WithRestock