diff --git a/Discord.API.Tests/JsonTests.cs b/Discord.API.Tests/JsonTests.cs
index 76e016d..432dca7 100644
--- a/Discord.API.Tests/JsonTests.cs
+++ b/Discord.API.Tests/JsonTests.cs
@@ -16,6 +16,67 @@ public class JsonTests
         _testOutputHelper = testOutputHelper;
     }
 
+    [Fact]
+    public void GuildUpdateDeserialize()
+    {
+        string src = """
+                     {
+                        "op": 0,
+                        "t": "GUILD_UPDATE",
+                        "s": 3,
+                        "d":{
+                             "id": "197038439483310086",
+                             "name": "Discord Testers",
+                             "icon": "f64c482b807da4f539cff778d174971c",
+                             "description": "The official place to report Discord Bugs!",
+                             "splash": null,
+                             "discovery_splash": null,
+                             "features": [
+                               "ANIMATED_ICON",
+                               "VERIFIED",
+                               "NEWS",
+                               "VANITY_URL",
+                               "DISCOVERABLE",
+                               "MORE_EMOJI",
+                               "INVITE_SPLASH",
+                               "BANNER",
+                               "COMMUNITY"
+                             ],
+                             "emojis": [],
+                             "banner": "9b6439a7de04f1d26af92f84ac9e1e4a",
+                             "owner_id": "73193882359173120",
+                             "application_id": null,
+                             "region": null,
+                             "afk_channel_id": null,
+                             "afk_timeout": 300,
+                             "system_channel_id": null,
+                             "widget_enabled": true,
+                             "widget_channel_id": null,
+                             "verification_level": 3,
+                             "roles": [],
+                             "default_message_notifications": 1,
+                             "mfa_level": 1,
+                             "explicit_content_filter": 2,
+                             "max_presences": 40000,
+                             "max_members": 250000,
+                             "vanity_url_code": "discord-testers",
+                             "premium_tier": 3,
+                             "premium_subscription_count": 33,
+                             "system_channel_flags": 0,
+                             "preferred_locale": "en-US",
+                             "rules_channel_id": "441688182833020939",
+                             "public_updates_channel_id": "281283303326089216",
+                             "safety_alerts_channel_id": "281283303326089216",
+                             "nsfw_level": 0
+                        }
+                     }
+                     """;
+
+        GatewayPacket? gateway_packet = JsonSerializer.Deserialize(src, SourceGenerationContext.Default.GatewayPacket);
+        Assert.IsType<GuildUpdatePacket>(gateway_packet);
+        
+    }
+
     [Fact]
     public void GuildCreateDeserialize()
     {
@@ -69,6 +130,7 @@ public class JsonTests
                              "safety_alerts_channel_id": "281283303326089216",
                              "joined_at": "2024-06-27T11:59:36Z",
                              "large": false,
+                             "nsfw_level": 0,
                              "member_count": 69,
                              "voice_states": [
                                 {
@@ -132,7 +194,7 @@ public class JsonTests
 
         GatewayPacket? gateway_packet = JsonSerializer.Deserialize(src, SourceGenerationContext.Default.GatewayPacket);
         Assert.IsType<GuildCreatePacket>(gateway_packet);
-        Assert.IsType<GuildData>((gateway_packet as GuildCreatePacket)!.Data);
+        Assert.IsType<GuildCreateData>((gateway_packet as GuildCreatePacket)!.Data);
         
     }
     
diff --git a/Discord.API/GatewayPacketTypes/DispatchPacket/DispatchPacket.cs b/Discord.API/GatewayPacketTypes/DispatchPacket/DispatchPacket.cs
index 59c65a7..555bc0b 100644
--- a/Discord.API/GatewayPacketTypes/DispatchPacket/DispatchPacket.cs
+++ b/Discord.API/GatewayPacketTypes/DispatchPacket/DispatchPacket.cs
@@ -9,6 +9,7 @@ namespace Discord.API;
 [JsonDerivedType(typeof(ChannelDeletePacket))]
 [JsonDerivedType(typeof(ReadyPacket))]
 [JsonDerivedType(typeof(GuildCreatePacket))]
+[JsonDerivedType(typeof(GuildUpdatePacket))]
 internal abstract class DispatchPacket : GatewayPacket
 {
     public override Opcode Op => Opcode.Dispatch;
diff --git a/Discord.API/GatewayPacketTypes/DispatchPacket/GuildUpdatePacket.cs b/Discord.API/GatewayPacketTypes/DispatchPacket/GuildUpdatePacket.cs
new file mode 100644
index 0000000..a9f6365
--- /dev/null
+++ b/Discord.API/GatewayPacketTypes/DispatchPacket/GuildUpdatePacket.cs
@@ -0,0 +1,11 @@
+using System.Text.Json.Serialization;
+
+namespace Discord.API;
+
+internal class GuildUpdatePacket : DispatchPacket
+{
+    public override string Event => "GUILD_UPDATE";
+    [JsonRequired]
+    [JsonPropertyName("d")]
+    public required GuildUpdateData Data { get; init; }
+}
\ No newline at end of file
diff --git a/Discord.API/GatewayPacketTypes/GatewayPacketConverter.cs b/Discord.API/GatewayPacketTypes/GatewayPacketConverter.cs
index 26497d7..42a4356 100644
--- a/Discord.API/GatewayPacketTypes/GatewayPacketConverter.cs
+++ b/Discord.API/GatewayPacketTypes/GatewayPacketConverter.cs
@@ -54,6 +54,9 @@ internal class GatewayPacketConverter : JsonConverter<GatewayPacket>
                         SourceGenerationContext.Default.ChannelDeletePacket),
                     "GUILD_CREATE" => json_doc.Deserialize(
                         SourceGenerationContext.Default.GuildCreatePacket),
+                    "GUILD_UPDATE" => json_doc.Deserialize(
+                        SourceGenerationContext.Default.GuildUpdatePacket
+                    ),
                     _ => throw new NotSupportedException($"Packet {event_name} is not supported in json deserialization")
                 };
             default:
diff --git a/Discord.API/SourceGenerationContext.cs b/Discord.API/SourceGenerationContext.cs
index 6496f22..64a3b08 100644
--- a/Discord.API/SourceGenerationContext.cs
+++ b/Discord.API/SourceGenerationContext.cs
@@ -1,16 +1,16 @@
-using System.Runtime.InteropServices.JavaScript;
 using System.Text.Json.Serialization;
-using System.Text.Json.Serialization.Metadata;
 
 namespace Discord.API;
 
-using System.Text.Json;
-
 [JsonSourceGenerationOptions(IgnoreReadOnlyFields = false,
     IgnoreReadOnlyProperties = false,
     IncludeFields = true,
     PropertyNamingPolicy = JsonKnownNamingPolicy.SnakeCaseLower,
-    Converters = [typeof(GatewayPacketConverter), typeof(UnavailableGuildDataConverter)],
+    Converters = [
+        typeof(GatewayPacketConverter),
+        typeof(UnavailableGuildDataConverter),
+        typeof(GuildDataConverter)
+    ],
     NumberHandling = JsonNumberHandling.AllowReadingFromString
     )]
 [JsonSerializable(typeof(GatewayPacket))]