diff --git a/DotNetSolutionTools.CLI/Commands/UpdateProjectToNet80Command.cs b/DotNetSolutionTools.CLI/Commands/UpdateProjectToNet80Command.cs
index 40db0bb..e31a8c3 100644
--- a/DotNetSolutionTools.CLI/Commands/UpdateProjectToNet80Command.cs
+++ b/DotNetSolutionTools.CLI/Commands/UpdateProjectToNet80Command.cs
@@ -3,7 +3,7 @@ using Spectre.Console.Cli;
 
 namespace DotNetSolutionTools.CLI.Commands;
 
-public class UpdateProjectToNet80Command : Command<UpdateProjectToNet80Command.Settings>
+public class UpdateProjectToNet80Command : AsyncCommand<UpdateProjectToNet80Command.Settings>
 {
     public sealed class Settings : CommandSettings
     {
@@ -11,16 +11,15 @@ public class UpdateProjectToNet80Command : Command<UpdateProjectToNet80Command.S
         public required string CsprojFilePath { get; set; }
     }
 
-    public override int Execute(CommandContext context, Settings settings)
+    public override async Task<int> ExecuteAsync(CommandContext context, Settings settings)
     {
-        // validate a real folder path was passed in
         if (!Directory.Exists(settings.CsprojFilePath))
         {
-            Console.WriteLine("Invalid folder path");
+            Console.WriteLine("Invalid file path. Please pass in a valid file path to a .csproj file.");
             return 1;
         }
-        Console.WriteLine("Deleting bin, obj, and node_modules folders");
-        CleanFolder.DeleteBinObjAndNodeModulesFoldersInFolder(settings.CsprojFilePath);
+        Console.WriteLine("Upgrading project to .NET 8.0");
+        await DotNetUpgrade.UpdateProjectAtPathToNet80(settings.CsprojFilePath);
 
         Console.WriteLine("==================================================");
         Console.WriteLine("Done!");
diff --git a/DotNetSolutionTools.CLI/Commands/UpdateSlnToNet80Command.cs b/DotNetSolutionTools.CLI/Commands/UpdateSlnToNet80Command.cs
new file mode 100644
index 0000000..5064735
--- /dev/null
+++ b/DotNetSolutionTools.CLI/Commands/UpdateSlnToNet80Command.cs
@@ -0,0 +1,28 @@
+using DotNetSolutionTools.Core;
+using Spectre.Console.Cli;
+
+namespace DotNetSolutionTools.CLI.Commands;
+
+public class UpdateSlnToNet80Command : AsyncCommand<UpdateSlnToNet80Command.Settings>
+{
+    public sealed class Settings : CommandSettings
+    {
+        [CommandArgument(1, "<SolutionFilePath>")]
+        public required string SolutionFilePath { get; set; }
+    }
+
+    public override async Task<int> ExecuteAsync(CommandContext context, Settings settings)
+    {
+        if (!File.Exists(settings.SolutionFilePath))
+        {
+            Console.WriteLine("Invalid file path. Please pass in a valid file path to a .csproj file.");
+            return 1;
+        }
+        Console.WriteLine("Upgrading project to .NET 8.0");
+        await DotNetUpgrade.UpdateProjectsInSolutionToNet80(settings.SolutionFilePath);
+
+        Console.WriteLine("==================================================");
+        Console.WriteLine("Done!");
+        return 0;
+    }
+}
diff --git a/DotNetSolutionTools.CLI/Program.cs b/DotNetSolutionTools.CLI/Program.cs
index 94064f8..da159b4 100644
--- a/DotNetSolutionTools.CLI/Program.cs
+++ b/DotNetSolutionTools.CLI/Program.cs
@@ -13,6 +13,8 @@ app.Configure(config =>
     config.AddCommand<FormatCsprojCommand>("format-csproj");
     config.AddCommand<TreatWarningsAsErrorsCommand>("warnings-as-errors");
     config.AddCommand<ClearBinObjCommand>("clear-bin-obj");
+    config.AddCommand<UpdateProjectToNet80Command>("update-csproj-net80");
+    config.AddCommand<UpdateSlnToNet80Command>("update-sln-net80");
 });
 
 var instance = MSBuildLocator.QueryVisualStudioInstances().OrderByDescending(instance => instance.Version).First();
diff --git a/README.md b/README.md
index 6c51263..4669e98 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 Various tools to manage a C# solution.
 
-✨ Update a solution to .NET 8 - updates csproj target versions and all Microsoft Nuget Packages
+✨ Update a solution to .NET 8 - updates csproj target versions and all Microsoft Nuget Packages. Ensure you update the global.json to use the latest SDK version, as this is not done for you.
 
 ## App
 The app feels quite self explanatory :)
@@ -31,6 +31,6 @@ _options_
 
 **clear-bin-obj** `<SolutionFolderPath>` Deletes all bin and obj folders, and node_modules folders in the solution folder.   
 
-**update-sln-net80** `<SolutionFilePath>` **NOT IMPLEMENTED IN CLI YET** Updates all projects and Microsoft NuGet packages in sln to .NET 8.0.
+**update-sln-net80** `<SolutionFilePath>` Updates all projects and Microsoft NuGet packages in sln to .NET 8.0.
 
-**update-csproj-net80** `<SolutionFilePath>` **NOT IMPLEMENTED IN CLI YET** Updates project and Microsoft NuGet packages to .NET 8.0.  
+**update-csproj-net80** `<CsprojFilePath>` Updates project and Microsoft NuGet packages to .NET 8.0.