diff --git a/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj b/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj
index 9a74e2c..9af6403 100644
--- a/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj
+++ b/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj
@@ -14,8 +14,8 @@
     <Otherwise />
   </Choose>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageReference Include="MSTest.TestFramework" Version="4.2.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="4.2.1" />
     <PackageReference Include="coverlet.collector" Version="8.0.1" />
   </ItemGroup>
diff --git a/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj b/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
index 9b13779..0afd25c 100644
--- a/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
+++ b/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
@@ -20,7 +20,7 @@
     <PackageReference Include="Castle.Core" Version="5.2.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.14" />
     <PackageReference Include="Moq" Version="4.20.72" />
-    <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.2.1" />
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.5" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
diff --git a/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj b/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj
index 4d20e19..2eb57fd 100644
--- a/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj
+++ b/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj
@@ -14,8 +14,8 @@
     <Otherwise />
   </Choose>
   <ItemGroup>
+    <PackageReference Include="MSTest.TestFramework" Version="4.2.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="4.1.0" />
     <PackageReference Include="coverlet.collector" Version="8.0.1" />
   </ItemGroup>
diff --git a/Demo03.Presentation.MVVM.UI.Test/Demo03.Presentation.MVVM.UI.Test.csproj b/Demo03.Presentation.MVVM.UI.Test/Demo03.Presentation.MVVM.UI.Test.csproj
index c271855..b3c7566 100644
--- a/Demo03.Presentation.MVVM.UI.Test/Demo03.Presentation.MVVM.UI.Test.csproj
+++ b/Demo03.Presentation.MVVM.UI.Test/Demo03.Presentation.MVVM.UI.Test.csproj
@@ -13,7 +13,7 @@
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="4.1.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.2.1" />
   </ItemGroup>
 
   <ItemGroup>