diff --git a/CSharp/Engines/WindowsForms/Plugins/UniversalEditor.Plugins.AwesomeControls.UserInterface.WindowsForms/UniversalEditor.Plugins.AwesomeControls.UserInterface.WindowsForms.csproj b/CSharp/Engines/WindowsForms/Plugins/UniversalEditor.Plugins.AwesomeControls.UserInterface.WindowsForms/UniversalEditor.Plugins.AwesomeControls.UserInterface.WindowsForms.csproj
index b65c49c5..e5c56a42 100644
--- a/CSharp/Engines/WindowsForms/Plugins/UniversalEditor.Plugins.AwesomeControls.UserInterface.WindowsForms/UniversalEditor.Plugins.AwesomeControls.UserInterface.WindowsForms.csproj
+++ b/CSharp/Engines/WindowsForms/Plugins/UniversalEditor.Plugins.AwesomeControls.UserInterface.WindowsForms/UniversalEditor.Plugins.AwesomeControls.UserInterface.WindowsForms.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -79,4 +79,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>
diff --git a/CSharp/Plugins/UniversalEditor.Plugins.Designer.UserInterface.WindowsForms/UniversalEditor.Plugins.Designer.UserInterface.WindowsForms.csproj b/CSharp/Plugins/UniversalEditor.Plugins.Designer.UserInterface.WindowsForms/UniversalEditor.Plugins.Designer.UserInterface.WindowsForms.csproj
index 64cc99ea..ce6ec64d 100644
--- a/CSharp/Plugins/UniversalEditor.Plugins.Designer.UserInterface.WindowsForms/UniversalEditor.Plugins.Designer.UserInterface.WindowsForms.csproj
+++ b/CSharp/Plugins/UniversalEditor.Plugins.Designer.UserInterface.WindowsForms/UniversalEditor.Plugins.Designer.UserInterface.WindowsForms.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -83,4 +83,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>