diff --git a/src/Standart.Hash.xxHash.Perf/Standart.Hash.xxHash.Perf.csproj b/src/Standart.Hash.xxHash.Perf/Standart.Hash.xxHash.Perf.csproj
index 1287376..36f9cef 100644
--- a/src/Standart.Hash.xxHash.Perf/Standart.Hash.xxHash.Perf.csproj
+++ b/src/Standart.Hash.xxHash.Perf/Standart.Hash.xxHash.Perf.csproj
@@ -2,7 +2,7 @@
   <Import Project="..\..\deps.props" />
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <Optimize>true</Optimize>
diff --git a/src/Standart.Hash.xxHash.Test/Standart.Hash.xxHash.Test.csproj b/src/Standart.Hash.xxHash.Test/Standart.Hash.xxHash.Test.csproj
index 8e93e0b..d6e0d5b 100644
--- a/src/Standart.Hash.xxHash.Test/Standart.Hash.xxHash.Test.csproj
+++ b/src/Standart.Hash.xxHash.Test/Standart.Hash.xxHash.Test.csproj
@@ -2,7 +2,7 @@
   <Import Project="..\..\deps.props" />
   <PropertyGroup>
     <IsPackable>false</IsPackable>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <DebugType>full</DebugType>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
diff --git a/src/Standart.Hash.xxHash/Standart.Hash.xxHash.csproj b/src/Standart.Hash.xxHash/Standart.Hash.xxHash.csproj
index e1433cd..8e38cef 100644
--- a/src/Standart.Hash.xxHash/Standart.Hash.xxHash.csproj
+++ b/src/Standart.Hash.xxHash/Standart.Hash.xxHash.csproj
@@ -3,18 +3,8 @@
   <Import Project="..\..\nuget.props" />
   
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0; netstandard2.1; netcoreapp3.1; net48;</TargetFrameworks>
+    <TargetFrameworks>net6.0;</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   
-  <ItemGroup Condition="$(TargetFramework) == 'netstandard2.0' OR $(TargetFramework) == 'net48'">
-    <PackageReference Include="System.Buffers" Version="$(SystemBuffers)" />
-    <PackageReference Include="System.Memory" Version="$(SystemMemory)" />
-	  <PackageReference Include="System.Threading.Tasks.Extensions" Version="$(SystemTasks)" />
-  </ItemGroup>
-
-  <PropertyGroup Condition="$(TargetFramework) == 'netcoreapp3.1'">
-    <DefineConstants>FCL_BITOPS</DefineConstants>
-  </PropertyGroup>
-  
 </Project>
\ No newline at end of file