diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 9e760c4b23..67259c04f7 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -14,6 +14,18 @@ jobs:
         strategy:
             matrix:
                 options:
+                    - os: ubuntu-latest
+                      framework: net5.0
+                      runtime: -x64
+                      codecov: false
+                    - os: macos-latest
+                      framework: net5.0
+                      runtime: -x64
+                      codecov: false
+                    - os: windows-latest
+                      framework: net5.0
+                      runtime: -x64
+                      codecov: false
                     - os: ubuntu-latest
                       framework: netcoreapp3.1
                       runtime: -x64
@@ -67,12 +79,14 @@ jobs:
             - name: Build
               shell: pwsh
               run: ./ci-build.ps1 "${{matrix.options.framework}}"
+              env:
+                SIXLABORS_TESTING: True
 
             - name: Test
               shell: pwsh
               run: ./ci-test.ps1 "${{matrix.options.os}}" "${{matrix.options.framework}}" "${{matrix.options.runtime}}" "${{matrix.options.codecov}}"
               env:
-                  CI: True
+                  SIXLABORS_TESTING: True
                   XUNIT_PATH: .\tests\ImageSharp.Tests # Required for xunit
 
             - name: Export Failed Output
diff --git a/shared-infrastructure b/shared-infrastructure
index b7b9a2755e..af824b8bad 160000
--- a/shared-infrastructure
+++ b/shared-infrastructure
@@ -1 +1 @@
-Subproject commit b7b9a2755e456a96acbf103494228226d92eddf3
+Subproject commit af824b8bad7307b735662e3eeab39d401c41741c
diff --git a/src/ImageSharp/ImageSharp.csproj b/src/ImageSharp/ImageSharp.csproj
index a90aaf715a..ca6ca16898 100644
--- a/src/ImageSharp/ImageSharp.csproj
+++ b/src/ImageSharp/ImageSharp.csproj
@@ -12,9 +12,21 @@
     <PackageProjectUrl>$(RepositoryUrl)</PackageProjectUrl>
     <PackageTags>Image Resize Crop Gif Jpg Jpeg Bitmap Png Tga NetCore</PackageTags>
     <Description>A new, fully featured, fully managed, cross-platform, 2D graphics API for .NET</Description>
-    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1;netstandard2.1;netstandard2.0;netstandard1.3;net472</TargetFrameworks>
   </PropertyGroup>
 
+  <Choose>
+    <When Condition="$(SIXLABORS_TESTING) == true">
+      <PropertyGroup>
+        <TargetFrameworks>net5.0;netcoreapp3.1;netcoreapp2.1;netstandard2.1;netstandard2.0;netstandard1.3;net472</TargetFrameworks>
+      </PropertyGroup>
+    </When>
+    <Otherwise>
+      <PropertyGroup>
+        <TargetFrameworks>netcoreapp3.1;netcoreapp2.1;netstandard2.1;netstandard2.0;netstandard1.3;net472</TargetFrameworks>
+      </PropertyGroup>
+    </Otherwise>
+  </Choose>
+
   <ItemGroup>
     <None Include="..\..\shared-infrastructure\branding\icons\imagesharp\sixlabors.imagesharp.128.png" Pack="true" PackagePath="" />
   </ItemGroup>
diff --git a/tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj b/tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj
index 2a209683ba..d89cf79fc9 100644
--- a/tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj
+++ b/tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj
@@ -5,7 +5,7 @@
     <AssemblyName>ImageSharp.Benchmarks</AssemblyName>
     <OutputType>Exe</OutputType>
     <RootNamespace>SixLabors.ImageSharp.Benchmarks</RootNamespace>
-    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1;net472</TargetFrameworks>
+    <TargetFrameworks>net5.0;netcoreapp3.1;netcoreapp2.1;net472</TargetFrameworks>
     <GenerateProgramFile>false</GenerateProgramFile>
     <!--Used to hide test project from dotnet test-->
     <IsTestProject>false</IsTestProject>
diff --git a/tests/ImageSharp.Tests.ProfilingSandbox/ImageSharp.Tests.ProfilingSandbox.csproj b/tests/ImageSharp.Tests.ProfilingSandbox/ImageSharp.Tests.ProfilingSandbox.csproj
index b71b5ebf2f..220780c58e 100644
--- a/tests/ImageSharp.Tests.ProfilingSandbox/ImageSharp.Tests.ProfilingSandbox.csproj
+++ b/tests/ImageSharp.Tests.ProfilingSandbox/ImageSharp.Tests.ProfilingSandbox.csproj
@@ -8,7 +8,7 @@
     <Prefer32Bit>false</Prefer32Bit>
     <RootNamespace>SixLabors.ImageSharp.Tests.ProfilingSandbox</RootNamespace>
     <RuntimeIdentifier>win7-x64</RuntimeIdentifier>
-    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1;net472</TargetFrameworks>
+    <TargetFrameworks>net5.0;netcoreapp3.1;netcoreapp2.1;net472</TargetFrameworks>
     <StartupObject>SixLabors.ImageSharp.Tests.ProfilingSandbox.Program</StartupObject>
     <!--Used to hide test project from dotnet test-->
     <IsTestProject>false</IsTestProject>
diff --git a/tests/ImageSharp.Tests/ImageSharp.Tests.csproj b/tests/ImageSharp.Tests/ImageSharp.Tests.csproj
index 5426144401..ebbe2cbdfa 100644
--- a/tests/ImageSharp.Tests/ImageSharp.Tests.csproj
+++ b/tests/ImageSharp.Tests/ImageSharp.Tests.csproj
@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1;net472</TargetFrameworks>
+    <TargetFrameworks>net5.0;netcoreapp3.1;netcoreapp2.1;net472</TargetFrameworks>
     <DebugSymbols>True</DebugSymbols>
     <AssemblyName>SixLabors.ImageSharp.Tests</AssemblyName>
     <Platforms>AnyCPU;x64;x86</Platforms>