diff --git a/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj b/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj
index 2978567..7cca40d 100644
--- a/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj
+++ b/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj
@@ -14,7 +14,7 @@
     <Otherwise />
   </Choose>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.10.4" />
     <PackageReference Include="MSTest.TestFramework" Version="3.10.4" />
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
diff --git a/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj b/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
index 7ac1648..9ba5465 100644
--- a/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
+++ b/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
@@ -23,7 +23,7 @@
     <PackageReference Include="MSTest.TestFramework" Version="3.10.4" />
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.9" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.10.4" />
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
   </ItemGroup>
diff --git a/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj b/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj
index 98afc26..a160a2e 100644
--- a/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj
+++ b/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj
@@ -14,7 +14,7 @@
     <Otherwise />
   </Choose>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="MSTest.TestFramework" Version="3.10.4" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.10.4" />
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
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 103a1ba..1e0787c 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
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Moq" Version="4.20.72" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.10.4" />
     <PackageReference Include="MSTest.TestFramework" Version="3.10.4" />
   </ItemGroup>