diff --git a/.changeset/adopt-dotnet-10.md b/.changeset/adopt-dotnet-10.md
new file mode 100644
index 0000000..d72e657
--- /dev/null
+++ b/.changeset/adopt-dotnet-10.md
@@ -0,0 +1,5 @@
+---
+"SolarWinds.Changesets": Minor
+---
+
+Adopt .NET 10 with multi-targeting. The tool and tests now target `net8.0`, `net9.0` and `net10.0`, the SDK and CI use .NET 10.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f724d3f..860222e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.406
+          dotnet-version: 10.0.x
 
       - name: Restore dependencies
         run: dotnet restore --packages ./packages
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 9b059ba..f38fd12 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -33,7 +33,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.406
+          dotnet-version: 10.0.x
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/Directory.Build.props b/Directory.Build.props
index 3cea168..66bc774 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -3,9 +3,8 @@
   <!--https://learn.microsoft.com/en-us/dotnet/core/project-sdk/msbuild-props-->
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
-    <!-- Default for .NET8.0, please update together with TargetFramework version -->
-    <LangVersion>12.0</LangVersion>
+    <TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
+    <LangVersion>14.0</LangVersion>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -25,8 +24,7 @@
     <MSBuildTreatWarningsAsErrors>true</MSBuildTreatWarningsAsErrors>
     <EnforceCodeStyleInBuild>false</EnforceCodeStyleInBuild>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
-    <!-- Default for .NET8.0, please update together with TargetFramework version -->
-    <AnalysisLevel>8</AnalysisLevel>
+    <AnalysisLevel>10</AnalysisLevel>
     <AnalysisMode>all</AnalysisMode>
     <CodeAnalysisTreatWarningsAsErrors>true</CodeAnalysisTreatWarningsAsErrors>
 
diff --git a/global.json b/global.json
index 952b4c4..512142d 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.406",
+    "version": "10.0.100",
     "rollForward": "latestFeature"
   }
 }
diff --git a/src/SolarWinds.Changesets/Commands/Add/IProjectFileNamesLocator.cs b/src/SolarWinds.Changesets/Commands/Add/IProjectFileNamesLocator.cs
index 05140d3..3462df8 100644
--- a/src/SolarWinds.Changesets/Commands/Add/IProjectFileNamesLocator.cs
+++ b/src/SolarWinds.Changesets/Commands/Add/IProjectFileNamesLocator.cs
@@ -3,7 +3,7 @@ namespace SolarWinds.Changesets.Commands.Add;
 /// <summary>
 /// Defines a contract for locating project file names within a specified directory.
 /// </summary>
-public interface IProjectFileNamesLocator
+internal interface IProjectFileNamesLocator
 {
     /// <summary>
     /// Retrieves project file names located in the specified directory.
diff --git a/src/SolarWinds.Changesets/Commands/Publish/Services/DotnetService.cs b/src/SolarWinds.Changesets/Commands/Publish/Services/DotnetService.cs
index 3a318e2..b81fab8 100644
--- a/src/SolarWinds.Changesets/Commands/Publish/Services/DotnetService.cs
+++ b/src/SolarWinds.Changesets/Commands/Publish/Services/DotnetService.cs
@@ -3,7 +3,7 @@
 namespace SolarWinds.Changesets.Commands.Publish.Services;
 
 /// <inheritdoc />
-public sealed class DotnetService : IDotnetService
+internal sealed class DotnetService : IDotnetService
 {
     private readonly IProcessExecutor _processExecutor;
 
diff --git a/src/SolarWinds.Changesets/Commands/Publish/Services/GitService.cs b/src/SolarWinds.Changesets/Commands/Publish/Services/GitService.cs
index afb837e..7030e70 100644
--- a/src/SolarWinds.Changesets/Commands/Publish/Services/GitService.cs
+++ b/src/SolarWinds.Changesets/Commands/Publish/Services/GitService.cs
@@ -3,7 +3,7 @@
 namespace SolarWinds.Changesets.Commands.Publish.Services;
 
 /// <inheritdoc />
-public sealed class GitService : IGitService
+internal sealed class GitService : IGitService
 {
     private readonly IProcessExecutor _processExecutor;
 
diff --git a/src/SolarWinds.Changesets/Commands/Publish/Services/IDotnetService.cs b/src/SolarWinds.Changesets/Commands/Publish/Services/IDotnetService.cs
index 4d5e495..c7bda24 100644
--- a/src/SolarWinds.Changesets/Commands/Publish/Services/IDotnetService.cs
+++ b/src/SolarWinds.Changesets/Commands/Publish/Services/IDotnetService.cs
@@ -5,7 +5,7 @@ namespace SolarWinds.Changesets.Commands.Publish.Services;
 /// <summary>
 /// Provides functionality to interact with the .NET CLI for operations such as packing and publishing NuGet packages.
 /// </summary>
-public interface IDotnetService
+internal interface IDotnetService
 {
     /// <summary>
     /// Packs a .NET project into a NuGet package.
diff --git a/src/SolarWinds.Changesets/Commands/Publish/Services/IGitService.cs b/src/SolarWinds.Changesets/Commands/Publish/Services/IGitService.cs
index 1b3e79a..9527b00 100644
--- a/src/SolarWinds.Changesets/Commands/Publish/Services/IGitService.cs
+++ b/src/SolarWinds.Changesets/Commands/Publish/Services/IGitService.cs
@@ -5,7 +5,7 @@ namespace SolarWinds.Changesets.Commands.Publish.Services;
 /// <summary>
 /// Provides Git-related services, such as retrieving file differences.
 /// </summary>
-public interface IGitService
+internal interface IGitService
 {
     /// <summary>
     /// Retrieves a list of file names that have changed in the specified source path.
diff --git a/src/SolarWinds.Changesets/Shared/BumpType.cs b/src/SolarWinds.Changesets/Shared/BumpType.cs
index 92d795e..73fa3fd 100644
--- a/src/SolarWinds.Changesets/Shared/BumpType.cs
+++ b/src/SolarWinds.Changesets/Shared/BumpType.cs
@@ -3,7 +3,7 @@ namespace SolarWinds.Changesets.Shared;
 /// <summary>
 /// Specifies the type of version bump to apply.
 /// </summary>
-public enum BumpType
+internal enum BumpType
 {
     /// <summary>
     /// No version bump.
diff --git a/src/SolarWinds.Changesets/Shared/ChangesetConfig.cs b/src/SolarWinds.Changesets/Shared/ChangesetConfig.cs
index 944bb8f..f23e72d 100644
--- a/src/SolarWinds.Changesets/Shared/ChangesetConfig.cs
+++ b/src/SolarWinds.Changesets/Shared/ChangesetConfig.cs
@@ -3,7 +3,7 @@ namespace SolarWinds.Changesets.Shared;
 /// <summary>
 /// Changeset config.
 /// </summary>
-public sealed class ChangesetConfig
+internal sealed class ChangesetConfig
 {
     /// <summary>
     /// Specify the relative path from the changeset command's execution folder to the location of the projects.
diff --git a/src/SolarWinds.Changesets/Shared/ChangesetFile.cs b/src/SolarWinds.Changesets/Shared/ChangesetFile.cs
index ad45086..1236d07 100644
--- a/src/SolarWinds.Changesets/Shared/ChangesetFile.cs
+++ b/src/SolarWinds.Changesets/Shared/ChangesetFile.cs
@@ -6,4 +6,4 @@ namespace SolarWinds.Changesets.Shared;
 /// <param name="ChangedModuleNames">Changed module names.</param>
 /// <param name="BumpType">Bump type.</param>
 /// <param name="Description">Description.</param>
-public sealed record ChangesetFile(ICollection<string> ChangedModuleNames, BumpType BumpType, string Description);
+internal sealed record ChangesetFile(ICollection<string> ChangedModuleNames, BumpType BumpType, string Description);
diff --git a/src/SolarWinds.Changesets/Shared/Constants.cs b/src/SolarWinds.Changesets/Shared/Constants.cs
index ff78376..0b6c48d 100644
--- a/src/SolarWinds.Changesets/Shared/Constants.cs
+++ b/src/SolarWinds.Changesets/Shared/Constants.cs
@@ -3,7 +3,7 @@ namespace SolarWinds.Changesets.Shared;
 /// <summary>
 /// Provides application-wide constant values of file names and file path.
 /// </summary>
-public static class Constants
+internal static class Constants
 {
     /// <summary>
     /// The file name of the changelog file.
diff --git a/src/SolarWinds.Changesets/Shared/IChangesetsRepository.cs b/src/SolarWinds.Changesets/Shared/IChangesetsRepository.cs
index f2f4d69..a50e49b 100644
--- a/src/SolarWinds.Changesets/Shared/IChangesetsRepository.cs
+++ b/src/SolarWinds.Changesets/Shared/IChangesetsRepository.cs
@@ -3,7 +3,7 @@ namespace SolarWinds.Changesets.Shared;
 /// <summary>
 /// Defines methods for accessing and managing changesets.
 /// </summary>
-public interface IChangesetsRepository
+internal interface IChangesetsRepository
 {
     /// <summary>
     /// Creates changeset file in the changeset working directory.
diff --git a/src/SolarWinds.Changesets/Shared/IConfigurationService.cs b/src/SolarWinds.Changesets/Shared/IConfigurationService.cs
index 9d627d4..9708e11 100644
--- a/src/SolarWinds.Changesets/Shared/IConfigurationService.cs
+++ b/src/SolarWinds.Changesets/Shared/IConfigurationService.cs
@@ -7,7 +7,7 @@ namespace SolarWinds.Changesets.Shared;
 /// This service allows creating a default configuration file and retrieving an existing configuration file.
 /// It uses JSON serialization and deserialization to handle the configuration data.
 /// </remarks>
-public interface IConfigurationService
+internal interface IConfigurationService
 {
 
     /// <summary>
diff --git a/src/SolarWinds.Changesets/Shared/IProcessExecutor.cs b/src/SolarWinds.Changesets/Shared/IProcessExecutor.cs
index caf8188..e23aab4 100644
--- a/src/SolarWinds.Changesets/Shared/IProcessExecutor.cs
+++ b/src/SolarWinds.Changesets/Shared/IProcessExecutor.cs
@@ -3,7 +3,7 @@ namespace SolarWinds.Changesets.Shared;
 /// <summary>
 /// Executes external processes and captures their output and exit code.
 /// </summary>
-public interface IProcessExecutor
+internal interface IProcessExecutor
 {
     /// <summary>
     /// Executes a process with the specified executable, arguments, and working directory.
diff --git a/src/SolarWinds.Changesets/Shared/InitializationException.cs b/src/SolarWinds.Changesets/Shared/InitializationException.cs
index c6270fd..3048300 100644
--- a/src/SolarWinds.Changesets/Shared/InitializationException.cs
+++ b/src/SolarWinds.Changesets/Shared/InitializationException.cs
@@ -3,7 +3,7 @@ namespace SolarWinds.Changesets.Shared;
 /// <summary>
 /// Represents errors that occur during the initialization phase.
 /// </summary>
-public sealed class InitializationException : Exception
+internal sealed class InitializationException : Exception
 {
     /// <summary>
     /// Initializes a new instance of the <see cref="InitializationException"/> class
diff --git a/src/SolarWinds.Changesets/Shared/ProcessExecutor.cs b/src/SolarWinds.Changesets/Shared/ProcessExecutor.cs
index bd1ed31..86b68cb 100644
--- a/src/SolarWinds.Changesets/Shared/ProcessExecutor.cs
+++ b/src/SolarWinds.Changesets/Shared/ProcessExecutor.cs
@@ -3,7 +3,7 @@
 namespace SolarWinds.Changesets.Shared;
 
 /// <inheritdoc />
-public class ProcessExecutor : IProcessExecutor
+internal class ProcessExecutor : IProcessExecutor
 {
     /// <inheritdoc />
     public async Task<ProcessOutput> Execute(string executable, string arguments, string workingDirectoryPath)
diff --git a/src/SolarWinds.Changesets/Shared/ProcessOutput.cs b/src/SolarWinds.Changesets/Shared/ProcessOutput.cs
index 70b3242..bf3bb03 100644
--- a/src/SolarWinds.Changesets/Shared/ProcessOutput.cs
+++ b/src/SolarWinds.Changesets/Shared/ProcessOutput.cs
@@ -5,4 +5,4 @@ namespace SolarWinds.Changesets.Shared;
 /// </summary>
 /// <param name="Output">The list of output lines from the process.</param>
 /// <param name="ExitCode">The exit code of the process.</param>
-public record ProcessOutput(ICollection<string> Output, int ExitCode);
+internal record ProcessOutput(ICollection<string> Output, int ExitCode);
diff --git a/src/SolarWinds.Changesets/Shared/ResultCodes.cs b/src/SolarWinds.Changesets/Shared/ResultCodes.cs
index 7608d5d..92b50a7 100644
--- a/src/SolarWinds.Changesets/Shared/ResultCodes.cs
+++ b/src/SolarWinds.Changesets/Shared/ResultCodes.cs
@@ -3,7 +3,7 @@ namespace SolarWinds.Changesets.Shared;
 /// <summary>
 /// Defines command result codes with documentation.
 /// </summary>
-public static class ResultCodes
+internal static class ResultCodes
 {
     #region Success Codes
 
diff --git a/src/SolarWinds.Changesets/SolarWinds.Changesets.csproj b/src/SolarWinds.Changesets/SolarWinds.Changesets.csproj
index 1a47387..64cb23d 100644
--- a/src/SolarWinds.Changesets/SolarWinds.Changesets.csproj
+++ b/src/SolarWinds.Changesets/SolarWinds.Changesets.csproj
@@ -41,6 +41,7 @@
 
   <ItemGroup>
     <InternalsVisibleTo Include="SolarWinds.Changesets.Tests" />
+    <InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
   </ItemGroup>
 
 </Project>
diff --git a/tests/SolarWinds.Changesets.Tests/ProcessExecutorTests.cs b/tests/SolarWinds.Changesets.Tests/ProcessExecutorTests.cs
index 8dc65fe..280e6ab 100644
--- a/tests/SolarWinds.Changesets.Tests/ProcessExecutorTests.cs
+++ b/tests/SolarWinds.Changesets.Tests/ProcessExecutorTests.cs
@@ -21,7 +21,7 @@ public void SetUp()
             _executable = "cmd";
             _argumentsTemplate = '/';
         }
-        else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+        else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) || RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
         {
             _executable = "/bin/bash";
             _argumentsTemplate = '-';
diff --git a/tests/SolarWinds.Changesets.Tests/Version/CsProjectsRepositoryTests.cs b/tests/SolarWinds.Changesets.Tests/Version/CsProjectsRepositoryTests.cs
index 54eb16a..36486c7 100644
--- a/tests/SolarWinds.Changesets.Tests/Version/CsProjectsRepositoryTests.cs
+++ b/tests/SolarWinds.Changesets.Tests/Version/CsProjectsRepositoryTests.cs
@@ -125,6 +125,6 @@ private static string ComputeFileHash(string path)
         using FileStream stream = File.OpenRead(path);
 
         byte[] hashBytes = sha256.ComputeHash(stream);
-        return BitConverter.ToString(hashBytes).Replace("-", "", StringComparison.Ordinal).ToUpperInvariant();
+        return Convert.ToHexString(hashBytes);
     }
 }