diff --git a/.github/workflows/dotnet-format-action.yml b/.github/workflows/dotnet-format-action.yml
index 97af604..ac3cacb 100644
--- a/.github/workflows/dotnet-format-action.yml
+++ b/.github/workflows/dotnet-format-action.yml
@@ -13,8 +13,6 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version:  |
-            3.1.x
-            5.0.x
             6.0.x
             7.0.x
       - name: Run dotnet format
@@ -26,9 +24,8 @@ jobs:
           workspace: "./src/CSharp/EasyMicroservices.Laboratory.sln"
       - name: Test
         run:  |
-          dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln -f netcoreapp3.1
           dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln -f net6.0
-          dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln -f net5.0
+          dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln -f net7.0
       - name: Commit files
         if: steps.format.outputs.has-changes == 'true'
         uses: EndBug/add-and-commit@v4.1.0
diff --git a/.github/workflows/dotnet-linux.yml b/.github/workflows/dotnet-linux.yml
index 8d5615a..3d4a4f9 100644
--- a/.github/workflows/dotnet-linux.yml
+++ b/.github/workflows/dotnet-linux.yml
@@ -15,8 +15,6 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version:  |
-            3.1.x
-            5.0.x
             6.0.x
             7.0.x
       - name: Restore dependencies
@@ -25,6 +23,5 @@ jobs:
         run: dotnet build ./src/CSharp/EasyMicroservices.Laboratory.sln --no-restore
       - name: Test
         run:  |
-          dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln --no-build --verbosity normal -f netcoreapp3.1
           dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln --no-build --verbosity normal -f net6.0
-          dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln --no-build --verbosity normal -f net5.0
+          dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln --no-build --verbosity normal -f net7.0
diff --git a/.github/workflows/dotnet-macos.yml b/.github/workflows/dotnet-macos.yml
index ac7b097..d2f5868 100644
--- a/.github/workflows/dotnet-macos.yml
+++ b/.github/workflows/dotnet-macos.yml
@@ -15,8 +15,6 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version:  |
-            3.1.x
-            5.0.x
             6.0.x
             7.0.x
       - name: Restore dependencies
@@ -25,6 +23,5 @@ jobs:
         run: dotnet build ./src/CSharp/EasyMicroservices.Laboratory.sln --no-restore
       - name: Test
         run:  |
-          dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln --no-build --verbosity normal -f netcoreapp3.1
           dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln --no-build --verbosity normal -f net6.0
-          dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln --no-build --verbosity normal -f net5.0
+          dotnet test ./src/CSharp/EasyMicroservices.Laboratory.sln --no-build --verbosity normal -f net7.0
diff --git a/.github/workflows/dotnet-windows.yml b/.github/workflows/dotnet-windows.yml
index 5c3730a..7fedcd8 100644
--- a/.github/workflows/dotnet-windows.yml
+++ b/.github/workflows/dotnet-windows.yml
@@ -15,8 +15,6 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version:  |
-            3.1.x
-            5.0.x
             6.0.x
             7.0.x
       - name: Restore dependencies
diff --git a/.github/workflows/nuget-push-public.yml b/.github/workflows/nuget-push-public.yml
index 3abae06..9e3231b 100644
--- a/.github/workflows/nuget-push-public.yml
+++ b/.github/workflows/nuget-push-public.yml
@@ -10,8 +10,6 @@ jobs:
       - uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            3.1.x
-            5.0.x
             6.0.x
             7.0.x
         env: