diff --git a/UnitTestBasket/ThreadAndAsyncTests/ThreadAndAsyncTests.csproj b/UnitTestBasket/ThreadAndAsyncTests/ThreadAndAsyncTests.csproj
index c66ebc6..0a39ed7 100644
--- a/UnitTestBasket/ThreadAndAsyncTests/ThreadAndAsyncTests.csproj
+++ b/UnitTestBasket/ThreadAndAsyncTests/ThreadAndAsyncTests.csproj
@@ -1,16 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
-
-    <IsPackable>false</IsPackable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.0-preview-20181205-02" />
-    <PackageReference Include="MSTest.TestAdapter" Version="1.4.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="1.4.0" />
-    <PackageReference Include="Senparc.CO2NET" Version="0.6.0-preview1" />
-  </ItemGroup>
-
-</Project>
+    <PropertyGroup>
+        <OutputType>Library</OutputType>
+        <TargetFramework>net6.0</TargetFramework>
+        <RootNamespace>ThreadAndAsyncTests</RootNamespace>
+        <IsTestProject>true</IsTestProject>
+        <IsPackable>false</IsPackable>
+        <ImplicitUsings>enable</ImplicitUsings>
+    </PropertyGroup>
+    <ItemGroup>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
+        <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
+        <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
+        <PackageReference Include="Senparc.CO2NET" Version="2.2.1" />
+    </ItemGroup>
+</Project>
\ No newline at end of file