diff --git a/.github/workflows/build_plugin.yml b/.github/workflows/build_plugin.yml
index f031325..6bcdbb9 100644
--- a/.github/workflows/build_plugin.yml
+++ b/.github/workflows/build_plugin.yml
@@ -18,10 +18,10 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Setup .net8
+    - name: Setup .net9
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.401
+        dotnet-version: 9.0.305
 
     - name: Build & package with `dotnet`
       run: |
diff --git a/.github/workflows/release_plugin.yml b/.github/workflows/release_plugin.yml
index 8e0a048..b3662b5 100644
--- a/.github/workflows/release_plugin.yml
+++ b/.github/workflows/release_plugin.yml
@@ -32,10 +32,10 @@ jobs:
         files: 'src/${{ github.event.repository.name }}/${{ github.event.repository.name }}.csproj'
         replacements: '<VersionPrefix>0.0.0</VersionPrefix>=<VersionPrefix>${{ steps.extract_version.outputs.version }}</VersionPrefix>'
 
-    - name: Setup .net8
+    - name: Setup .net9
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.401
+        dotnet-version: 9.0.305
 
     - name: Build & package with `dotnet`
       run: |
diff --git a/Gitextensions.AzureDevOpsCommitMessageTests/Gitextensions.AzureDevOpsCommitMessageTests.csproj b/Gitextensions.AzureDevOpsCommitMessageTests/Gitextensions.AzureDevOpsCommitMessageTests.csproj
index 68333fc..f814e1b 100644
--- a/Gitextensions.AzureDevOpsCommitMessageTests/Gitextensions.AzureDevOpsCommitMessageTests.csproj
+++ b/Gitextensions.AzureDevOpsCommitMessageTests/Gitextensions.AzureDevOpsCommitMessageTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/src/GitExtensions.AzureDevOpsCommitMessage/GitExtensions.AzureDevOpsCommitMessage.csproj b/src/GitExtensions.AzureDevOpsCommitMessage/GitExtensions.AzureDevOpsCommitMessage.csproj
index fa8b145..301e671 100644
--- a/src/GitExtensions.AzureDevOpsCommitMessage/GitExtensions.AzureDevOpsCommitMessage.csproj
+++ b/src/GitExtensions.AzureDevOpsCommitMessage/GitExtensions.AzureDevOpsCommitMessage.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
     <!--Value useless because will be overwritten by release GitHub action. Keep '0.0.0' so that the release process work well!-->
     <VersionPrefix>0.0.0</VersionPrefix>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
@@ -9,7 +9,7 @@
     <!-- Source: 'GitHub' or 'AppVeyor' -->
     <!--<GitExtensionsReferenceSource Condition="$(GitExtensionsReferenceSource) == ''">AppVeyor</GitExtensionsReferenceSource>-->
     <!-- Version: 'latest' or 'v3.1' (= tag from GitHub releases) or 'v3.1.0.5877' (= build number from AppVeyor)-->
-    <!--<GitExtensionsReferenceVersion>v5.1.0.17907</GitExtensionsReferenceVersion>-->
+    <GitExtensionsReferenceVersion>v6.0.1</GitExtensionsReferenceVersion>
     <!--<GitExtensionsReferenceVersion>latest</GitExtensionsReferenceVersion>-->
     <!-- Binaries path for local builds (no download if folder exists) -->
     <!--<GitExtensionsPath Condition="$(GitExtensionsPath) == ''">$([System.IO.Path]::Combine('$(ProjectDir)', '$(GitExtensionsDownloadPath)'))</GitExtensionsPath>-->
@@ -36,10 +36,10 @@
 
   <ItemGroup>
     <PackageReference Include="System.ComponentModel.Composition" Version="6.0.0" />
-    <PackageReference Include="GitExtensions.Extensibility" Version="0.3.2.72" />
-    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="17.4.27" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
+    <PackageReference Include="GitExtensions.Extensibility" Version="0.4.0.*" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="17.13.61" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All"/>
   </ItemGroup>
 
   <!-- Reference to GitExtensions dlls. -->