diff --git a/src/YuriyGuts.RegexBuilder.TestApp/YuriyGuts.RegexBuilder.TestApp.csproj b/src/YuriyGuts.RegexBuilder.TestApp/YuriyGuts.RegexBuilder.TestApp.csproj
index 6a64456..36ab5c0 100644
--- a/src/YuriyGuts.RegexBuilder.TestApp/YuriyGuts.RegexBuilder.TestApp.csproj
+++ b/src/YuriyGuts.RegexBuilder.TestApp/YuriyGuts.RegexBuilder.TestApp.csproj
@@ -1,58 +1,11 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
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     <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
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     <RootNamespace>YuriyGuts.RegexBuilder.Tests</RootNamespace>
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-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
-    <TargetFrameworkProfile>Client</TargetFrameworkProfile>
-    <FileAlignment>512</FileAlignment>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
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-    <PlatformTarget>x86</PlatformTarget>
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-    <Reference Include="System.Core" />
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   <ItemGroup>
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-      <Project>{A8F68F40-BDBD-4C68-A91A-A11B25682846}</Project>
-      <Name>YuriyGuts.RegexBuilder</Name>
-    </ProjectReference>
+    <ProjectReference Include="..\YuriyGuts.RegexBuilder\YuriyGuts.RegexBuilder.csproj" />
   </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
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-  <Target Name="AfterBuild">
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 </Project>
\ No newline at end of file
diff --git a/src/YuriyGuts.RegexBuilder.Tests/YuriyGuts.RegexBuilder.Tests.csproj b/src/YuriyGuts.RegexBuilder.Tests/YuriyGuts.RegexBuilder.Tests.csproj
index 373fa8a..d61443a 100644
--- a/src/YuriyGuts.RegexBuilder.Tests/YuriyGuts.RegexBuilder.Tests.csproj
+++ b/src/YuriyGuts.RegexBuilder.Tests/YuriyGuts.RegexBuilder.Tests.csproj
@@ -1,71 +1,20 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
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   <ItemGroup>
     <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
       <Visible>False</Visible>
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   <ItemGroup>
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-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="RegexBuilderTests.cs" />
-    <Compile Include="CustomRegexTests.cs" />
-    <Compile Include="RegexNodeRenderingTests.cs" />
-    <Compile Include="RegexNodeTests.cs" />
-    <Compile Include="RegexQuantifierRenderingTests.cs" />
-    <Compile Include="RegexQuantifierTests.cs" />
+    <ProjectReference Include="..\YuriyGuts.RegexBuilder\YuriyGuts.RegexBuilder.csproj" />
   </ItemGroup>
   <ItemGroup>
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+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
   </ItemGroup>
-  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
 </Project>
\ No newline at end of file
diff --git a/src/YuriyGuts.RegexBuilder/YuriyGuts.RegexBuilder.csproj b/src/YuriyGuts.RegexBuilder/YuriyGuts.RegexBuilder.csproj
index 0cac5db..8156ac6 100644
--- a/src/YuriyGuts.RegexBuilder/YuriyGuts.RegexBuilder.csproj
+++ b/src/YuriyGuts.RegexBuilder/YuriyGuts.RegexBuilder.csproj
@@ -1,72 +1,18 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project Sdk="Microsoft.NET.Sdk">
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-    <AssemblyName>YuriyGuts.RegexBuilder</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    <PackageVersion>1.0.1</PackageVersion>
+    <PackageReleaseNotes>Support .netstandard 2.0</PackageReleaseNotes>
+    <TargetFramework>netstandard2.0</TargetFramework>
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   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
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-    <Compile Include="RegexBuilder.cs" />
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-    <Compile Include="RegexNode.cs" />
-    <Compile Include="RegexNodeTypes\RegexNodeBacktrackingSuppression.cs" />
-    <Compile Include="RegexNodeTypes\RegexNodeComment.cs" />
-    <Compile Include="RegexNodeTypes\RegexNodeConcatenation.cs" />
-    <Compile Include="RegexNodeTypes\RegexNodeConditionalMatch.cs" />
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-    <Compile Include="RegexNodeTypes\RegexNodeCharacterRange.cs" />
-    <Compile Include="RegexNodeTypes\RegexNodeCharacterSet.cs" />
-    <Compile Include="RegexNodeTypes\RegexNodeEscapingLiteral.cs" />
-    <Compile Include="RegexNodeTypes\RegexNodeGroup.cs" />
-    <Compile Include="RegexNodeTypes\RegexNodeGroupReference.cs" />
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-    <Compile Include="RegexNodeTypes\RegexNodeLookAround.cs" />
-    <Compile Include="RegexQuantifier.cs" />
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-  <PropertyGroup>
-    <PostBuildEvent>echo F|xcopy /y "$(TargetPath)" "$(TargetDir)..\..\NuGetPackage\lib\net40\$(TargetFileName)"</PostBuildEvent>
-  </PropertyGroup>
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
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-  <Target Name="AfterBuild">
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-  -->
 </Project>
\ No newline at end of file