diff --git a/Cake.ArgumentHelpers.Tests/Cake.ArgumentHelpers.Tests.csproj b/Cake.ArgumentHelpers.Tests/Cake.ArgumentHelpers.Tests.csproj
index 8a52ac0..9554e71 100644
--- a/Cake.ArgumentHelpers.Tests/Cake.ArgumentHelpers.Tests.csproj
+++ b/Cake.ArgumentHelpers.Tests/Cake.ArgumentHelpers.Tests.csproj
@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AssemblyName>Cake.ArgumentHelpers.Tests</AssemblyName>
     <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
diff --git a/Cake.ArgumentHelpers.sln b/Cake.ArgumentHelpers.sln
index 0a7131b..5160ba4 100644
--- a/Cake.ArgumentHelpers.sln
+++ b/Cake.ArgumentHelpers.sln
@@ -1,9 +1,9 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26730.10
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31402.337
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Cake.ArgumentHelpers", "Cake.ArgumentHelpers\Cake.ArgumentHelpers.csproj", "{9C50A7C4-E00D-4851-8311-81135D062C77}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Cake.ArgumentHelpers", "Cake.ArgumentHelpers\Cake.ArgumentHelpers.csproj", "{9C50A7C4-E00D-4851-8311-81135D062C77}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{EA17B50A-988B-47C1-9840-DC7347D88259}"
 	ProjectSection(SolutionItems) = preProject
@@ -12,7 +12,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		README.md = README.md
 	EndProjectSection
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Cake.ArgumentHelpers.Tests", "Cake.ArgumentHelpers.Tests\Cake.ArgumentHelpers.Tests.csproj", "{1297E243-9A95-45A5-A5C6-AAAC94ECEE22}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Cake.ArgumentHelpers.Tests", "Cake.ArgumentHelpers.Tests\Cake.ArgumentHelpers.Tests.csproj", "{1297E243-9A95-45A5-A5C6-AAAC94ECEE22}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/Cake.ArgumentHelpers/Cake.ArgumentHelpers.csproj b/Cake.ArgumentHelpers/Cake.ArgumentHelpers.csproj
index c5448be..5da876d 100644
--- a/Cake.ArgumentHelpers/Cake.ArgumentHelpers.csproj
+++ b/Cake.ArgumentHelpers/Cake.ArgumentHelpers.csproj
@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
 		<AssemblyName>Cake.ArgumentHelpers</AssemblyName>
 		<TargetFrameworks>net46;netstandard2.0</TargetFrameworks>