diff --git a/BtcMarketsApiClient/BtcMarketsApiClient.Sample/App.config b/BtcMarketsApiClient/BtcMarketsApiClient.Sample/App.config
index 56efbc7..3e4f347 100644
--- a/BtcMarketsApiClient/BtcMarketsApiClient.Sample/App.config
+++ b/BtcMarketsApiClient/BtcMarketsApiClient.Sample/App.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+        <supportedRuntime version="v4.0" sku=".NETCoreApp,Version=v8.0" />
     </startup>
 </configuration>
\ No newline at end of file
diff --git a/BtcMarketsApiClient/BtcMarketsApiClient.Sample/BtcMarketsApiClient.Sample.csproj b/BtcMarketsApiClient/BtcMarketsApiClient.Sample/BtcMarketsApiClient.Sample.csproj
index d0d55e9..e245a8e 100644
--- a/BtcMarketsApiClient/BtcMarketsApiClient.Sample/BtcMarketsApiClient.Sample.csproj
+++ b/BtcMarketsApiClient/BtcMarketsApiClient.Sample/BtcMarketsApiClient.Sample.csproj
@@ -1,43 +1,16 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{EA720CDE-AFEC-4098-9255-1B784CAD27D4}</ProjectGuid>
     <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
     <RootNamespace>BtcMarketsApiClient.Sample</RootNamespace>
     <AssemblyName>BtcMarketsApiClient.Sample</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
-    <Deterministic>true</Deterministic>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.12.0.2\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+  </ItemGroup>
+  <ItemGroup>
     <Reference Include="System" />
-    <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -58,5 +31,4 @@
     <None Include="App.config" />
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/BtcMarketsApiClient/BtcMarketsApiClient.Sample/packages.config b/BtcMarketsApiClient/BtcMarketsApiClient.Sample/packages.config
index a75532f..d4c6925 100644
--- a/BtcMarketsApiClient/BtcMarketsApiClient.Sample/packages.config
+++ b/BtcMarketsApiClient/BtcMarketsApiClient.Sample/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net472" />
-</packages>
\ No newline at end of file
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
+</packages>