diff --git a/.github/workflows/on-push-run-build.yml b/.github/workflows/on-push-run-build.yml
new file mode 100644
index 00000000..229ae324
--- /dev/null
+++ b/.github/workflows/on-push-run-build.yml
@@ -0,0 +1,42 @@
+name: on-push-run-build
+on: [push, pull_request]
+  
+env:
+  # Opt out of telemetry
+  DOTNET_CLI_TELEMETRY_OPTOUT: 1
+  DOTNET_NOLOGO: 1
+  
+jobs:
+  build_linux:
+    
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+  
+    - name: Setup .NET Core 3.1
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '3.1.x'
+        
+    - name: Build with dotnet
+      run: dotnet build --configuration Debug
+      
+    - name: Run unit tests
+      run: dotnet test --no-build -c Debug
+
+  build_windows:
+    
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v2
+  
+    - name: Setup .NET Core 3.1
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '3.1.x'
+        
+    - name: Build with dotnet
+      run: dotnet build --configuration Debug
+      
+    - name: Run unit tests
+      run: dotnet test --no-build -c Debug
diff --git a/.gitignore b/.gitignore
index c1643193..e1801ea3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@
 *.sln.docstates
 *.pidb
 *.userprefs
+*.idea
 
 # Build results
 [Dd]ebug/
diff --git a/MethodDecorator.Fody.PnP.Tests/AssemblyExtensions.cs b/MethodDecorator.Fody.PnP.Tests/AssemblyExtensions.cs
deleted file mode 100644
index 6ead6cae..00000000
--- a/MethodDecorator.Fody.PnP.Tests/AssemblyExtensions.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.Reflection;
-
-namespace MethodDecorator.Fody.Tests
-{
-    public static class AssemblyExtensions
-    {
-        public static dynamic GetInstance(this Assembly assembly, string className)
-        {
-            var type = assembly.GetType(className, true);
-            //dynamic instance = FormatterServices.GetUninitializedObject(type);
-            return Activator.CreateInstance(type);
-        }
-
-        public static dynamic GetStaticInstance(this Assembly assembly, string className)
-        {
-            var type = assembly.GetType(className, true);
-            return new StaticMembersDynamicWrapper(type);
-        }
-    }
-}
\ No newline at end of file
diff --git a/MethodDecorator.Fody.PnP.Tests/MethodDecorator.Fody.PnP.Tests.csproj b/MethodDecorator.Fody.PnP.Tests/MethodDecorator.Fody.PnP.Tests.csproj
index 5ea328a2..d8e8e3b0 100644
--- a/MethodDecorator.Fody.PnP.Tests/MethodDecorator.Fody.PnP.Tests.csproj
+++ b/MethodDecorator.Fody.PnP.Tests/MethodDecorator.Fody.PnP.Tests.csproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp2.2</TargetFrameworks>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <DisableFody>true</DisableFody>
   </PropertyGroup>
   <ItemGroup>
@@ -9,7 +9,6 @@
     <Compile Include="..\MethodDecorator.Fody.Tests\Method.cs" Link="Method.cs" />
     <Compile Include="..\MethodDecorator.Fody.Tests\StaticMembersDynamicWrapper.cs" Link="StaticMembersDynamicWrapper.cs" />
     <Compile Include="..\MethodDecorator.Fody.Tests\TestsBase.cs" Link="TestsBase.cs" />
-
     <PackageReference Include="FodyHelpers" Version="6.5.1" />
     <PackageReference Include="Xunit" Version="2.4.1" />
     <PackageReference Include="Verify.Xunit" Version="11.6.0" />
diff --git a/MethodDecorator.Fody.Tests/MethodDecorator.Fody.Tests.csproj b/MethodDecorator.Fody.Tests/MethodDecorator.Fody.Tests.csproj
index a162cc32..58a8b0b2 100644
--- a/MethodDecorator.Fody.Tests/MethodDecorator.Fody.Tests.csproj
+++ b/MethodDecorator.Fody.Tests/MethodDecorator.Fody.Tests.csproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp2.2</TargetFrameworks>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <DisableFody>true</DisableFody>
   </PropertyGroup>
   <ItemGroup>
diff --git a/MethodDecorator.Fody.sln b/MethodDecorator.Fody.sln
index 2623bf3f..5f4e1720 100644
--- a/MethodDecorator.Fody.sln
+++ b/MethodDecorator.Fody.sln
@@ -20,7 +20,7 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{40A4C9F0-C6C6-467D-B076-E9F0EBB4A7B4}"
 	ProjectSection(SolutionItems) = preProject
 		Directory.Build.props = Directory.Build.props
-		README.md = README.md
+		readme.md = readme.md
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MethodDecorator.Fody.PnP.Tests", "MethodDecorator.Fody.PnP.Tests\MethodDecorator.Fody.PnP.Tests.csproj", "{8B02CB9B-FBF7-4D55-AB6E-12122472122C}"
diff --git a/MethodDecorator/MethodDecorator.csproj b/MethodDecorator/MethodDecorator.csproj
index a5e039fd..9cfaf80a 100644
--- a/MethodDecorator/MethodDecorator.csproj
+++ b/MethodDecorator/MethodDecorator.csproj
@@ -7,7 +7,7 @@
     <Authors>Simon Cropp, Matt Ellis, Alexey Suvorov, Andy Hoyle, Tony (@megafinz), and contributors</Authors>
     <Description>Fody add-in to decorate arbitrary methods to run code before and after invocation.</Description>
     <PackageTags>ILWeaving Fody AOP</PackageTags>
-    <NoWarn>CS1591;NU5228</NoWarn>
+    <NoWarn>CS1591;NU5228;NU5118</NoWarn>
     <PackageOutputPath>$(SolutionDir)nugets</PackageOutputPath>
     <PackageIconUrl>https://raw.githubusercontent.com/Fody/MethodDecorator/master/package_icon.png</PackageIconUrl>
     <PackageProjectUrl>https://github.com/Fody/MethodDecorator</PackageProjectUrl>
@@ -16,4 +16,8 @@
     <PackageReference Include="Fody" Version="6.5.1" PrivateAssets="none" />
     <PackageReference Include="FodyPackaging" Version="6.5.1" PrivateAssets="All" />
   </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.net452" Version="1.0.0" />
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/TestAssemblies/AnotherAssemblyAttributeContainer/AnotherAssemblyAttributeContainer.csproj b/TestAssemblies/AnotherAssemblyAttributeContainer/AnotherAssemblyAttributeContainer.csproj
index 688f3a41..a6411412 100644
--- a/TestAssemblies/AnotherAssemblyAttributeContainer/AnotherAssemblyAttributeContainer.csproj
+++ b/TestAssemblies/AnotherAssemblyAttributeContainer/AnotherAssemblyAttributeContainer.csproj
@@ -1,7 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net452;netstandard2.0</TargetFrameworks>
     <DisableFody>true</DisableFody>
   </PropertyGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.net452" Version="1.0.0" />
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/TestAssemblies/SimpleTest.PnP/SimpleTest.PnP.csproj b/TestAssemblies/SimpleTest.PnP/SimpleTest.PnP.csproj
index 3d2f1095..f410faa5 100644
--- a/TestAssemblies/SimpleTest.PnP/SimpleTest.PnP.csproj
+++ b/TestAssemblies/SimpleTest.PnP/SimpleTest.PnP.csproj
@@ -1,10 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net452;netstandard2.0</TargetFrameworks>
     <DisableFody>true</DisableFody>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\MethodDecorator\MethodDecorator.csproj"/>
   </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.net452" Version="1.0.0" />
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/TestAssemblies/SimpleTest/SimpleTest.csproj b/TestAssemblies/SimpleTest/SimpleTest.csproj
index 691b424e..1c19550b 100644
--- a/TestAssemblies/SimpleTest/SimpleTest.csproj
+++ b/TestAssemblies/SimpleTest/SimpleTest.csproj
@@ -1,11 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net452;netstandard2.0</TargetFrameworks>
     <DisableFody>true</DisableFody>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\AnotherAssemblyAttributeContainer\AnotherAssemblyAttributeContainer.csproj"/>
     <ProjectReference Include="..\..\MethodDecorator\MethodDecorator.csproj"/>
   </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.net452" Version="1.0.0" />
+  </ItemGroup>
 </Project>
\ No newline at end of file