diff --git a/mpy-cross/mpy-cross.vcxproj b/mpy-cross/mpy-cross.vcxproj
index e70b29ae1..53cb0fa1f 100644
--- a/mpy-cross/mpy-cross.vcxproj
+++ b/mpy-cross/mpy-cross.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0" DefaultTargets="Build">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
diff --git a/ports/windows/micropython.vcxproj b/ports/windows/micropython.vcxproj
index 6817d6ed1..d5e3f57d8 100644
--- a/ports/windows/micropython.vcxproj
+++ b/ports/windows/micropython.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0" DefaultTargets="Build">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
diff --git a/ports/windows/msvc/genhdr.targets b/ports/windows/msvc/genhdr.targets
index ed97a455d..b53894f21 100644
--- a/ports/windows/msvc/genhdr.targets
+++ b/ports/windows/msvc/genhdr.targets
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="GenerateHeaders">
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0" DefaultTargets="GenerateHeaders">
 
   <Import Project="paths.props" Condition="'$(PyPathsIncluded)' != 'True'"/>
 
diff --git a/ports/windows/msvc/sources.props b/ports/windows/msvc/sources.props
index e5109eecc..a6dfd48aa 100644
--- a/ports/windows/msvc/sources.props
+++ b/ports/windows/msvc/sources.props
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0">
   <Import Project="paths.props" Condition="'$(PyPathsIncluded)' != 'True'"/>
   <ItemGroup>
     <PyCoreSource Include="$(PyBaseDir)py\*.c" />
diff --git a/ports/windows/variants/dev/mpconfigvariant.props b/ports/windows/variants/dev/mpconfigvariant.props
index d01d74b44..5f78d6e62 100644
--- a/ports/windows/variants/dev/mpconfigvariant.props
+++ b/ports/windows/variants/dev/mpconfigvariant.props
@@ -1,4 +1,5 @@
-<Project>
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0">
   <PropertyGroup>
     <PyProg>micropython-dev</PyProg>
   </PropertyGroup>
diff --git a/ports/windows/variants/standard/mpconfigvariant.props b/ports/windows/variants/standard/mpconfigvariant.props
index 0157102fd..3cbb1821f 100644
--- a/ports/windows/variants/standard/mpconfigvariant.props
+++ b/ports/windows/variants/standard/mpconfigvariant.props
@@ -1,4 +1,5 @@
-<Project>
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0">
   <PropertyGroup>
     <PyProg>micropython</PyProg>
   </PropertyGroup>