diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 52ae595..2f25bc6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,10 +31,7 @@ jobs:
       - name: Setup .NET SDK
         uses: actions/setup-dotnet@v1.9.0
         with:
-          dotnet-version: |
-            6.0.x
-            5.0.x
-            3.1.x
+          dotnet-version: 6.0.x
       - name: Build
         run: dotnet build src --configuration Release
       - name: Tests
diff --git a/src/ServiceComposer.AspNetCore.Testing/ServiceComposer.AspNetCore.Testing.csproj b/src/ServiceComposer.AspNetCore.Testing/ServiceComposer.AspNetCore.Testing.csproj
index a4afa55..8c2780f 100644
--- a/src/ServiceComposer.AspNetCore.Testing/ServiceComposer.AspNetCore.Testing.csproj
+++ b/src/ServiceComposer.AspNetCore.Testing/ServiceComposer.AspNetCore.Testing.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>netcoreapp3.1;net5.0;net6.0</TargetFrameworks>
+        <TargetFrameworks>net6.0</TargetFrameworks>
     </PropertyGroup>
 
     <PropertyGroup>
@@ -26,7 +26,7 @@
 
     <ItemGroup>
         <FrameworkReference Include="Microsoft.AspNetCore.App"/>
-        <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="[3.1.22, 7.0.0)"/>
+        <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="[6.0.0, 8.0.0)"/>
     </ItemGroup>
     
      <ItemGroup>