diff --git a/Demos/ASP.NET Web Forms/src/GroupDocs.Viewer.AspNetWebForms.csproj b/Demos/ASP.NET Web Forms/src/GroupDocs.Viewer.AspNetWebForms.csproj
index 698b6eb47..c69185a05 100644
--- a/Demos/ASP.NET Web Forms/src/GroupDocs.Viewer.AspNetWebForms.csproj	
+++ b/Demos/ASP.NET Web Forms/src/GroupDocs.Viewer.AspNetWebForms.csproj	
@@ -25,6 +25,8 @@
     <BuildClientApp>false</BuildClientApp>
     <ClientRoot>ClientApp\</ClientRoot>
     <TypeScriptCompileBlocked>true</TypeScriptCompileBlocked>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -51,8 +53,8 @@
     <Reference Include="GroupDocs.Viewer, Version=23.6.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56, processorArchitecture=MSIL">
       <HintPath>packages\GroupDocs.Viewer.23.6.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=3.6.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.3.6.0\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.4.1.0\lib\net472\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
@@ -261,13 +263,6 @@
       </FlavorProperties>
     </VisualStudio>
   </ProjectExtensions>
-  <Import Project="packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.3.6.0\build\net472\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.targets" Condition="Exists('packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.3.6.0\build\net472\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.3.6.0\build\net472\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.3.6.0\build\net472\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.targets'))" />
-  </Target>
   <Target Name="InstallPackages" BeforeTargets="BeforeBuild" Condition="'$(BuildClientApp)' == 'True'">
     <Message Importance="high" Text="*** Installing npm packages ***" />
     <Exec WorkingDirectory="$(ClientRoot)" Command="npm install" ContinueOnError="false" />
@@ -276,4 +271,11 @@
     <Message Importance="high" Text="*** Bundling client files ***" />
     <Exec WorkingDirectory="$(ClientRoot)" Command="npm run build" ContinueOnError="false" />
   </Target>
+  <Import Project="packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.4.1.0\build\net472\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.targets" Condition="Exists('packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.4.1.0\build\net472\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.targets')" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.4.1.0\build\net472\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.4.1.0\build\net472\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.targets'))" />
+  </Target>
 </Project>
\ No newline at end of file
diff --git a/Demos/ASP.NET Web Forms/src/Web.config b/Demos/ASP.NET Web Forms/src/Web.config
index 78733bb92..d7487e160 100644
--- a/Demos/ASP.NET Web Forms/src/Web.config	
+++ b/Demos/ASP.NET Web Forms/src/Web.config	
@@ -131,8 +131,8 @@
   </runtime>
   <system.codedom>
     <compilers>
-      <compiler extension=".cs" language="c#;cs;csharp" warningLevel="4" compilerOptions="/langversion:7.3 /nowarn:1659;1699;1701;612;618" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=3.6.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
-      <compiler extension=".vb" language="vb;vbs;visualbasic;vbscript" warningLevel="4" compilerOptions="/langversion:default /nowarn:41008,40000,40008 /define:_MYTYPE=\&quot;Web\&quot; /optionInfer+" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=3.6.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
+      <compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" compilerOptions="/langversion:default /nowarn:1659;1699;1701;612;618" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
+      <compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" warningLevel="4" compilerOptions="/langversion:default /nowarn:41008,40000,40008 /define:_MYTYPE=\&quot;Web\&quot; /optionInfer+" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
     </compilers>
   </system.codedom>
 </configuration>
\ No newline at end of file
diff --git a/Demos/ASP.NET Web Forms/src/packages.config b/Demos/ASP.NET Web Forms/src/packages.config
index c4e7a7f08..e4eeb6403 100644
--- a/Demos/ASP.NET Web Forms/src/packages.config	
+++ b/Demos/ASP.NET Web Forms/src/packages.config	
@@ -8,7 +8,7 @@
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.9" targetFramework="net48" />
   <package id="Microsoft.AspNet.WebApi.Cors" version="5.2.9" targetFramework="net48" />
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.9" targetFramework="net48" />
-  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="3.6.0" targetFramework="net48" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="4.1.0" targetFramework="net48" />
   <package id="Microsoft.Web.Infrastructure" version="2.0.1" targetFramework="net48" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net48" />
   <package id="System.Runtime.CompilerServices.Unsafe" version="6.0.0" targetFramework="net48" />