diff --git a/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj b/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
index eb3f917..9d94b13 100644
--- a/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
+++ b/Demo02.LayeredArchitecture.Application.Test/Demo02.LayeredArchitecture.Application.Test.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
     <OutputType>Library</OutputType>
@@ -21,7 +21,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.2" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="MSTest.TestFramework" Version="3.8.3" />
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.3" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.4" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.8.3" />
diff --git a/Demo02.LayeredArchitecture.Facade/Demo02.LayeredArchitecture.Facade.csproj b/Demo02.LayeredArchitecture.Facade/Demo02.LayeredArchitecture.Facade.csproj
index 8bd3c9f..0197671 100644
--- a/Demo02.LayeredArchitecture.Facade/Demo02.LayeredArchitecture.Facade.csproj
+++ b/Demo02.LayeredArchitecture.Facade/Demo02.LayeredArchitecture.Facade.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
     <OutputType>Library</OutputType>
@@ -18,6 +18,6 @@
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Microsoft.Data.SqlClient" Version="6.0.1" />
     <PackageReference Include="System.Data.DataSetExtensions" Version="4.5.0" />
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.2" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.4" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Demo03.Presentation.MVVM.UI/Demo03.Presentation.MVVM.UI.csproj b/Demo03.Presentation.MVVM.UI/Demo03.Presentation.MVVM.UI.csproj
index ff3a1f8..b152e3c 100644
--- a/Demo03.Presentation.MVVM.UI/Demo03.Presentation.MVVM.UI.csproj
+++ b/Demo03.Presentation.MVVM.UI/Demo03.Presentation.MVVM.UI.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net8.0-windows</TargetFramework>
     <OutputType>WinExe</OutputType>
@@ -19,6 +19,6 @@
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.2" />
     <PackageReference Include="System.Data.DataSetExtensions" Version="4.5.0" />
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.2" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.4" />
   </ItemGroup>
 </Project>
\ No newline at end of file