diff --git a/README.markdown b/README.markdown
index f5bddac..e1ec7fe 100644
--- a/README.markdown
+++ b/README.markdown
@@ -4,17 +4,11 @@ A fork of the SvgNet & SvgGdi bridge (http://www.codeproject.com/KB/cs/svgnet.as
 
 __SvgNet is now available as a Nuget:__ [SvgNet](https://www.nuget.org/packages/SvgNet/).
 
-__Latest version 2.0.5 is .NET Standard 2.0 and 2.1 compatible and works with .NET Core 2.x and 3.x, but now requires .NET Framework 4.6.1 or higher__
+__Latest version 2.1.1 is .NET Standard 2.0 and 2.1 compatible and works with .NET Core 2.x and 3.x, but now requires .NET Framework 4.7.1 or higher__
 
-To build this version properly you need .NET Core 3.0.100 SDK installed as it is pinned (via global.json) 
+To build this version properly you need .NET Core 3.1.403 SDK installed as it is pinned (via global.json) 
 to that version...
 
-----------
-```diff
--   WARNING: Switching default branch from master to main
-```
-----------
-
 ## License: BSD
 
 Copyright © 2003 RiskCare Ltd.  All rights reserved.
diff --git a/SvgNet/SvgNet.csproj b/SvgNet/SvgNet.csproj
index b3b0da5..f005547 100644
--- a/SvgNet/SvgNet.csproj
+++ b/SvgNet/SvgNet.csproj
@@ -3,12 +3,12 @@
   <PropertyGroup>
     <TargetFrameworks>net461;netstandard2.0;netstandard2.1</TargetFrameworks>
     <TargetFrameworks Condition="$(NONET461) == 'true'">netstandard2.0;netstandard2.1</TargetFrameworks>
-    <LangVersion>8.0</LangVersion>
+    <LangVersion>9.0</LangVersion>
     <AssemblyName>SVG</AssemblyName>
     <PackageId>SvgNet</PackageId>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <PackageOutputPath>..\.nugets</PackageOutputPath>
-    <Version>2.1.0</Version>
+    <Version>2.1.1</Version>
     <RootNamespace>SVG</RootNamespace>
     <DocumentationFile>svgnetdoc.xml</DocumentationFile>
     <NoWarn>CS1591</NoWarn>
@@ -29,7 +29,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Drawing.Common" Version="4.6.0" />
+    <PackageReference Include="System.Drawing.Common" Version="4.7.0" />
     <PackageReference Include="System.Drawing.Primitives" Version="4.3.0" />
   </ItemGroup>
 
diff --git a/SvgNetUnitTests/SvgNetUnitTests.csproj b/SvgNetUnitTests/SvgNetUnitTests.csproj
index e56a328..4b2ee3b 100644
--- a/SvgNetUnitTests/SvgNetUnitTests.csproj
+++ b/SvgNetUnitTests/SvgNetUnitTests.csproj
@@ -10,8 +10,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.3.0" />
-    <packagereference Include="NUnit3TestAdapter" Version="3.15.1"></packagereference>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+    <packagereference Include="NUnit3TestAdapter" Version="3.17.0"></packagereference>
     <packagereference Include="NUnit" Version="3.12.0"></packagereference>
   </ItemGroup>
 
diff --git a/global.json b/global.json
index 2223a05..9731311 100644
--- a/global.json
+++ b/global.json
@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "3.0.100"
+    "version": "3.1.403"
   }
 }
\ No newline at end of file