diff --git a/CHANGELOG b/CHANGELOG
index e69de29..445e7a5 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -0,0 +1,3 @@
+-- 2024. 04. 11 - v1.0.1
+
+- upgrade: Upgrade API to use latest K4-System
diff --git a/src/K4-SharedApi.dll b/src/K4-SharedApi.dll
index ee904ec..60de566 100644
Binary files a/src/K4-SharedApi.dll and b/src/K4-SharedApi.dll differ
diff --git a/src/K4-System-MMRanks.cs b/src/K4-System-MMRanks.cs
index cced21d..389e021 100644
--- a/src/K4-System-MMRanks.cs
+++ b/src/K4-System-MMRanks.cs
@@ -18,12 +18,12 @@ public sealed class PluginConfig : BasePluginConfig
 		public override int Version { get; set; } = 1;
 	}
 
-	[MinimumApiVersion(198)]
+	[MinimumApiVersion(200)]
 	public sealed partial class PluginK4SystemMMRanks : BasePlugin, IPluginConfig<PluginConfig>
 	{
 
 		public override string ModuleName => "K4-System Matchmaking Ranks";
-		public override string ModuleVersion => "1.0.0";
+		public override string ModuleVersion => "1.0.1";
 		public override string ModuleAuthor => "K4ryuu";
 
 		public required PluginConfig Config { get; set; } = new PluginConfig();
@@ -38,7 +38,7 @@ public void OnConfigParsed(PluginConfig config)
 			this.Config = config;
 		}
 
-		public static PlayerCapability<IK4SharedApi> Capability_SharedAPI { get; } = new("k4-system:sharedapi");
+		public static PlayerCapability<IPlayerAPI> Capability_SharedAPI { get; } = new("k4-system:sharedapi");
 
 		public override void Load(bool hotReload)
 		{
@@ -51,13 +51,13 @@ public override void Load(bool hotReload)
 					.ToList()
 					.ForEach(p =>
 					{
-						IK4SharedApi? apiHandler = Capability_SharedAPI.Get(p);
+						IPlayerAPI? apiHandler = Capability_SharedAPI.Get(p);
 
 						if (apiHandler == null)
 							return;
 
-						int rankId = apiHandler.PlayerRankID;
-						int points = apiHandler.PlayerPoints;
+						int rankId = apiHandler.RankID;
+						int points = apiHandler.Points;
 
 						p.CompetitiveRankType = (sbyte)(Config.Mode == 1 ? 11 : 12);
 						p.CompetitiveRanking = Config.Mode == 1 ? points : rankId >= 19 ? 18 : rankId;
diff --git a/src/K4-System-MMRanks.csproj b/src/K4-System-MMRanks.csproj
index 5117d8f..28759ab 100644
--- a/src/K4-System-MMRanks.csproj
+++ b/src/K4-System-MMRanks.csproj
@@ -6,12 +6,12 @@
     <PublishDir>./bin/K4-System-MMRanks/</PublishDir>
   </PropertyGroup>
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="CounterStrikeSharp.API" Version="1.0.198">
+    <PackageReference Include="CounterStrikeSharp.API" Version="*">
       <PrivateAssets>none</PrivateAssets>
       <ExcludeAssets>runtime</ExcludeAssets>
       <IncludeAssets>compile; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>