diff --git a/.github/workflows/CD.yml b/.github/workflows/CD.yml
index 4da4d05..b8e14b0 100644
--- a/.github/workflows/CD.yml
+++ b/.github/workflows/CD.yml
@@ -19,7 +19,7 @@ jobs:
       with:
         submodules: true
     - name: Test
-      run: dotnet test -c Release -f netcoreapp3.1
+      run: dotnet test -c Release -f net5
     - name: Generate PDF with CSharp code
       if: github.event_name == 'push'
       run: |
diff --git a/.gitignore b/.gitignore
index 4d898f0..ae91370 100644
--- a/.gitignore
+++ b/.gitignore
@@ -341,6 +341,3 @@ org.kde.konsole.desktop
 *-swp
 *.kate-swp
 .swp.*
-
-# GitHub refuses chages to .github folder at the moment
-.github/
diff --git a/csharp/Platform.IO.Tests/Platform.IO.Tests.csproj b/csharp/Platform.IO.Tests/Platform.IO.Tests.csproj
index dd2ef6d..6104afd 100644
--- a/csharp/Platform.IO.Tests/Platform.IO.Tests.csproj
+++ b/csharp/Platform.IO.Tests/Platform.IO.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp2.1;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net472;netcoreapp2.1;netcoreapp3.1;net5</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>
diff --git a/csharp/Platform.IO/Platform.IO.csproj b/csharp/Platform.IO/Platform.IO.csproj
index 2b668c1..a659151 100644
--- a/csharp/Platform.IO/Platform.IO.csproj
+++ b/csharp/Platform.IO/Platform.IO.csproj
@@ -6,7 +6,7 @@
     <AssemblyTitle>Platform.IO</AssemblyTitle>
     <VersionPrefix>0.2.1</VersionPrefix>
     <Authors>Konstantin Diachenko</Authors>
-    <TargetFrameworks>net472;netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>net472;netstandard2.0;netstandard2.1;net5</TargetFrameworks>
     <AssemblyName>Platform.IO</AssemblyName>
     <PackageId>Platform.IO</PackageId>
     <PackageTags>LinksPlatform;IO;ConsoleCancellation;ConsoleHelpers;FileHelpers;StreamExtensions</PackageTags>