diff --git a/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj b/Demo01.TestDrivenDevelopment.Test/Demo01.TestDrivenDevelopment.Test.csproj
index bc55fc9..af9665a 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="18.3.0" />
+    <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" />
diff --git a/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj b/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
index ccd104a..9b13779 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="4.1.0" />
     <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="18.3.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="4.1.0" />
     <PackageReference Include="coverlet.collector" Version="8.0.1" />
   </ItemGroup>
diff --git a/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj b/Demo02.LayeredArchitecture.Domain.Test/Demo02.LayeredArchitecture.Domain.Test.csproj
index 7d1f3d4..4d20e19 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="18.3.0" />
+    <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" />
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 8778647..c271855 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="18.3.0" />
+    <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" />
   </ItemGroup>