diff --git a/LuaInterface/Lua/src/lua514.vcxproj b/LuaInterface/Lua/src/lua514.vcxproj
index ce6ac6f33c..33a9324ea5 100644
--- a/LuaInterface/Lua/src/lua514.vcxproj
+++ b/LuaInterface/Lua/src/lua514.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -20,24 +20,25 @@
     <Keyword>ManagedCProj</Keyword>
     <ProjectName>lua51</ProjectName>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v100</PlatformToolset>
+    <PlatformToolset>v140_xp</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release-LUAPERKS|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v100</PlatformToolset>
+    <PlatformToolset>v140_xp</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v100</PlatformToolset>
+    <PlatformToolset>v140_xp</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -103,6 +104,7 @@
       </DataExecutionPrevention>
       <ImportLibrary>$(OutDir)lua51.lib</ImportLibrary>
       <TargetMachine>MachineX86</TargetMachine>
+      <SubSystem>Windows</SubSystem>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -128,6 +130,7 @@
       </DataExecutionPrevention>
       <ImportLibrary>$(OutDir)lua51.lib</ImportLibrary>
       <TargetMachine>MachineX86</TargetMachine>
+      <SubSystem>Windows</SubSystem>
     </Link>
     <CustomBuildStep>
       <Command>
@@ -169,6 +172,7 @@
       </DataExecutionPrevention>
       <ImportLibrary>$(OutDir)lua51.lib</ImportLibrary>
       <TargetMachine>MachineX86</TargetMachine>
+      <SubSystem>Windows</SubSystem>
     </Link>
     <CustomBuildStep>
       <Command>
@@ -204,11 +208,7 @@
       <ExceptionHandling Condition="'$(Configuration)|$(Platform)'=='Release-LUAPERKS|Win32'">false</ExceptionHandling>
       <ExceptionHandling Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</ExceptionHandling>
     </ClCompile>
-    <ClCompile Include="luaglue.cpp">
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release-LUAPERKS|Win32'">false</CompileAsManaged>
-    </ClCompile>
+    <ClCompile Include="luaglue.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="lapi.h" />
diff --git a/References/LuaInterface.dll b/References/LuaInterface.dll
index 46bdb94093..bfdd781c34 100644
Binary files a/References/LuaInterface.dll and b/References/LuaInterface.dll differ
diff --git a/References/lua51.dll b/References/lua51.dll
index 62393ca2aa..4e4316442d 100644
Binary files a/References/lua51.dll and b/References/lua51.dll differ