diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index fbb01a7..d832c19 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -1,6 +1,6 @@
 name: .NET build and test
 env:
-  CURRENT_VERSION: 3.0.${{ github.run_number }}
+  CURRENT_VERSION: 2.0.${{ github.run_number }}
   LAST_COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
 
 on:
@@ -59,7 +59,7 @@ jobs:
           ./ImageSharpCompare/bin/Release/*.snupkg
 
   deployTest:
-    if: github.ref != 'refs/heads/release'
+    if: github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
     needs: build 
     steps:
diff --git a/ImageSharpCompare/ImageSharpCompare.csproj b/ImageSharpCompare/ImageSharpCompare.csproj
index bf0525a..54715ce 100644
--- a/ImageSharpCompare/ImageSharpCompare.csproj
+++ b/ImageSharpCompare/ImageSharpCompare.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<TargetFramework>net6.0</TargetFramework>
+		<TargetFramework>netstandard2.0</TargetFramework>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<GenerateDocumentationFile>true</GenerateDocumentationFile>
 		<RepositoryUrl>https://github.com/Codeuctivity/ImageSharp.Compare</RepositoryUrl>
@@ -43,9 +43,9 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="SixLabors.ImageSharp" Version="3.0.0" />
+		<PackageReference Include="SixLabors.ImageSharp" Version="2.1.4" />
 		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
-		<PackageReference Include="SonarAnalyzer.CSharp" Version="8.49.0.57237">
+		<PackageReference Include="SonarAnalyzer.CSharp" Version="8.55.0.65544">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
diff --git a/ImageSharpCompareTestNunit/ImageSharpCompareTestNunit.csproj b/ImageSharpCompareTestNunit/ImageSharpCompareTestNunit.csproj
index 60a79eb..e2f5578 100644
--- a/ImageSharpCompareTestNunit/ImageSharpCompareTestNunit.csproj
+++ b/ImageSharpCompareTestNunit/ImageSharpCompareTestNunit.csproj
@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFramework>net6.0</TargetFramework>
+		<TargetFrameworks Condition="'$(OS)' == 'Windows_NT' ">net48;net6.0</TargetFrameworks>
+		<TargetFrameworks Condition="'$(OS)' != 'Windows_NT' ">net6.0</TargetFrameworks>
 		<IsPackable>false</IsPackable>
 		<LangVersion>8.0</LangVersion>
 		<Nullable>enable</Nullable>
@@ -14,15 +15,15 @@
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
 		<PackageReference Include="nunit" Version="3.13.3" />
-		<PackageReference Include="SonarAnalyzer.CSharp" Version="8.49.0.57237">
+		<PackageReference Include="SonarAnalyzer.CSharp" Version="8.55.0.65544">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 			<PrivateAssets>all</PrivateAssets>
 		</PackageReference>
-		<PackageReference Include="NUnit3TestAdapter" Version="4.3.1">
+		<PackageReference Include="NUnit3TestAdapter" Version="4.4.2">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
 	</ItemGroup>
 
 	<ItemGroup>