diff --git a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/AzureDevOpsPullRequestSystemSettingsTests.cs b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/AzureDevOpsPullRequestSystemSettingsTests.cs
index e8b40d1..02956b9 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/AzureDevOpsPullRequestSystemSettingsTests.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/AzureDevOpsPullRequestSystemSettingsTests.cs
@@ -1,6 +1,7 @@
 namespace Cake.Issues.PullRequests.AzureDevOps.Tests
 {
     using System;
+    using Cake.AzureDevOps.Authentication;
     using Cake.Issues.Testing;
     using Xunit;
 
@@ -12,7 +13,7 @@ public sealed class TheCtor
             public void Should_Throw_If_RepositoryUrl_For_SourceRefName_Is_Null()
             {
                 // Given / When
-                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(null, "foo", null));
+                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(null, "foo", new AzureDevOpsNtlmCredentials()));
 
                 // Then
                 result.IsArgumentNullException("repositoryUrl");
@@ -22,7 +23,7 @@ public void Should_Throw_If_RepositoryUrl_For_SourceRefName_Is_Null()
             public void Should_Throw_If_SourceRefName_Is_Null()
             {
                 // Given / When
-                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(new Uri("http://example.com"), null, null));
+                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(new Uri("http://example.com"), null, new AzureDevOpsNtlmCredentials()));
 
                 // Then
                 result.IsArgumentNullException("sourceRefName");
@@ -32,7 +33,7 @@ public void Should_Throw_If_SourceRefName_Is_Null()
             public void Should_Throw_If_SourceRefName_Is_Empty()
             {
                 // Given / When
-                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(new Uri("http://example.com"), string.Empty, null));
+                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(new Uri("http://example.com"), string.Empty, new AzureDevOpsNtlmCredentials()));
 
                 // Then
                 result.IsArgumentOutOfRangeException("sourceRefName");
@@ -42,7 +43,7 @@ public void Should_Throw_If_SourceRefName_Is_Empty()
             public void Should_Throw_If_SourceRefName_Is_WhiteSpace()
             {
                 // Given / When
-                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(new Uri("http://example.com"), " ", null));
+                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(new Uri("http://example.com"), " ", new AzureDevOpsNtlmCredentials()));
 
                 // Then
                 result.IsArgumentOutOfRangeException("sourceRefName");
@@ -52,7 +53,7 @@ public void Should_Throw_If_SourceRefName_Is_WhiteSpace()
             public void Should_Throw_If_RepositoryUrl_For_PullRequestId_Is_Null()
             {
                 // Given / When
-                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(null, 0, null));
+                var result = Record.Exception(() => new AzureDevOpsPullRequestSystemSettings(null, 0, new AzureDevOpsNtlmCredentials()));
 
                 // Then
                 result.IsArgumentNullException("repositoryUrl");
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Cake.Issues.PullRequests.AzureDevOps.Tests.csproj b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Cake.Issues.PullRequests.AzureDevOps.Tests.csproj
index bbf49e5..7e18af9 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Cake.Issues.PullRequests.AzureDevOps.Tests.csproj
+++ b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Cake.Issues.PullRequests.AzureDevOps.Tests.csproj
@@ -16,11 +16,11 @@
 
   <ItemGroup>
     <PackageReference Include="Cake.Core" Version="0.33.0" />
-    <PackageReference Include="Cake.Issues" Version="0.9.0-beta0002" />
-    <PackageReference Include="Cake.Issues.PullRequests" Version="0.9.0-beta0002" />
-    <PackageReference Include="Cake.Issues.Testing" Version="0.9.0-beta0002" />
+    <PackageReference Include="Cake.Issues" Version="0.9.0" />
+    <PackageReference Include="Cake.Issues.PullRequests" Version="0.9.0" />
+    <PackageReference Include="Cake.Issues.Testing" Version="0.9.0" />
     <PackageReference Include="Cake.Testing" Version="0.33.0" />
-    <PackageReference Include="Cake.AzureDevOps" Version="0.4.0" />
+    <PackageReference Include="Cake.AzureDevOps" Version="0.5.0" />
     <PackageReference Include="NSubstitute" Version="4.2.2" />
     <PackageReference Include="Shouldly" Version="3.0.2" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" />
@@ -33,4 +33,4 @@
     <ProjectReference Include="..\Cake.Issues.PullRequests.AzureDevOps\Cake.Issues.PullRequests.AzureDevOps.csproj" />
   </ItemGroup>
 
-</Project>
\ No newline at end of file
+</Project>
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/CommentExtensionsTests.cs b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/CommentExtensionsTests.cs
index d526150..8dec569 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/CommentExtensionsTests.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/CommentExtensionsTests.cs
@@ -1,6 +1,6 @@
 namespace Cake.Issues.PullRequests.AzureDevOps.Tests.Capabilities
 {
-    using Cake.AzureDevOps.PullRequest.CommentThread;
+    using Cake.AzureDevOps.Repos.PullRequest.CommentThread;
     using Cake.Issues.PullRequests.AzureDevOps.Capabilities;
     using Cake.Issues.Testing;
     using Shouldly;
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/CommentThreadStatusExtensionsTests.cs b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/CommentThreadStatusExtensionsTests.cs
index b9ad454..40ab28e 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/CommentThreadStatusExtensionsTests.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/CommentThreadStatusExtensionsTests.cs
@@ -1,6 +1,6 @@
 namespace Cake.Issues.PullRequests.AzureDevOps.Tests.Capabilities
 {
-    using Cake.AzureDevOps.PullRequest.CommentThread;
+    using Cake.AzureDevOps.Repos.PullRequest.CommentThread;
     using Cake.Issues.PullRequests.AzureDevOps.Capabilities;
     using Shouldly;
     using Xunit;
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/GitPullRequestCommentThreadExtensionsTests.cs b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/GitPullRequestCommentThreadExtensionsTests.cs
index ea3b0b1..1fac687 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/GitPullRequestCommentThreadExtensionsTests.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps.Tests/Capabilities/GitPullRequestCommentThreadExtensionsTests.cs
@@ -2,7 +2,7 @@
 {
     using System.Collections.Generic;
     using System.Linq;
-    using Cake.AzureDevOps.PullRequest.CommentThread;
+    using Cake.AzureDevOps.Repos.PullRequest.CommentThread;
     using Cake.Issues.PullRequests.AzureDevOps.Capabilities;
     using Cake.Issues.Testing;
     using Shouldly;
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps/AzureDevOpsPullRequestSystem.cs b/src/Cake.Issues.PullRequests.AzureDevOps/AzureDevOpsPullRequestSystem.cs
index b6c15e8..bb67fdf 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps/AzureDevOpsPullRequestSystem.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps/AzureDevOpsPullRequestSystem.cs
@@ -4,8 +4,8 @@
     using System.Collections.Generic;
     using System.Globalization;
     using System.Linq;
-    using Cake.AzureDevOps.PullRequest;
-    using Cake.AzureDevOps.PullRequest.CommentThread;
+    using Cake.AzureDevOps.Repos.PullRequest;
+    using Cake.AzureDevOps.Repos.PullRequest.CommentThread;
     using Cake.Core.Diagnostics;
     using Cake.Core.IO;
     using Cake.Issues.PullRequests.AzureDevOps.Capabilities;
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps/AzureDevOpsPullRequestSystemSettings.cs b/src/Cake.Issues.PullRequests.AzureDevOps/AzureDevOpsPullRequestSystemSettings.cs
index ac5c3eb..54983ac 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps/AzureDevOpsPullRequestSystemSettings.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps/AzureDevOpsPullRequestSystemSettings.cs
@@ -2,7 +2,7 @@
 {
     using System;
     using Cake.AzureDevOps.Authentication;
-    using Cake.AzureDevOps.PullRequest;
+    using Cake.AzureDevOps.Repos.PullRequest;
 
     /// <summary>
     /// Settings for <see cref="AzureDevOpsPullRequestSystemAliases"/>.
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps/Cake.Issues.PullRequests.AzureDevOps.csproj b/src/Cake.Issues.PullRequests.AzureDevOps/Cake.Issues.PullRequests.AzureDevOps.csproj
index f551874..3213abb 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps/Cake.Issues.PullRequests.AzureDevOps.csproj
+++ b/src/Cake.Issues.PullRequests.AzureDevOps/Cake.Issues.PullRequests.AzureDevOps.csproj
@@ -30,7 +30,7 @@ See the Project Site for an overview of the whole ecosystem of addins for workin
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <RepositoryType>git</RepositoryType>
     <RepositoryUrl>https://github.com/cake-contrib/Cake.Issues.PullRequests.AzureDevOps.git</RepositoryUrl>
-    <PackageReleaseNotes>https://github.com/cake-contrib/Cake.Issues.PullRequests.AzureDevOps/releases/tag/0.8.0</PackageReleaseNotes>
+    <PackageReleaseNotes>https://github.com/cake-contrib/Cake.Issues.PullRequests.AzureDevOps/releases/tag/0.9.0</PackageReleaseNotes>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|netstandard2.0|AnyCPU'">
@@ -43,9 +43,9 @@ See the Project Site for an overview of the whole ecosystem of addins for workin
 
   <ItemGroup>
     <PackageReference Include="Cake.Core" Version="0.33.0" PrivateAssets="All" />
-    <PackageReference Include="Cake.Issues" Version="0.9.0-beta0002" PrivateAssets="All" />
-    <PackageReference Include="Cake.Issues.PullRequests" Version="0.9.0-beta0002" PrivateAssets="All" />
-    <PackageReference Include="Cake.AzureDevOps" Version="0.4.0" PrivateAssets="All" />
+    <PackageReference Include="Cake.Issues" Version="0.9.0" PrivateAssets="All" />
+    <PackageReference Include="Cake.Issues.PullRequests" Version="0.9.0" PrivateAssets="All" />
+    <PackageReference Include="Cake.AzureDevOps" Version="0.5.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.0.0" PrivateAssets="All" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" PrivateAssets="All" />
   </ItemGroup>
@@ -53,4 +53,4 @@ See the Project Site for an overview of the whole ecosystem of addins for workin
   <ItemGroup>
     <None Include="icon.png" Pack="true" PackagePath="\" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsCommentExtensions.cs b/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsCommentExtensions.cs
index a687e82..390ee96 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsCommentExtensions.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsCommentExtensions.cs
@@ -1,6 +1,6 @@
 namespace Cake.Issues.PullRequests.AzureDevOps.Capabilities
 {
-    using Cake.AzureDevOps.PullRequest.CommentThread;
+    using Cake.AzureDevOps.Repos.PullRequest.CommentThread;
 
     /// <summary>
     /// Extensions for <see cref="AzureDevOpsComment"/>.
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsCommentThreadStatusExtensions.cs b/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsCommentThreadStatusExtensions.cs
index 60571ad..f062ff8 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsCommentThreadStatusExtensions.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsCommentThreadStatusExtensions.cs
@@ -1,6 +1,6 @@
 namespace Cake.Issues.PullRequests.AzureDevOps.Capabilities
 {
-    using Cake.AzureDevOps.PullRequest.CommentThread;
+    using Cake.AzureDevOps.Repos.PullRequest.CommentThread;
 
     /// <summary>
     /// Extensions for <see cref="AzureDevOpsCommentThreadStatus"/> enumeration.
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsPullRequestCommentThreadExtensions.cs b/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsPullRequestCommentThreadExtensions.cs
index 0b7fc2a..1772299 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsPullRequestCommentThreadExtensions.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps/Capabilities/AzureDevOpsPullRequestCommentThreadExtensions.cs
@@ -1,7 +1,7 @@
 namespace Cake.Issues.PullRequests.AzureDevOps.Capabilities
 {
     using System.Linq;
-    using Cake.AzureDevOps.PullRequest.CommentThread;
+    using Cake.AzureDevOps.Repos.PullRequest.CommentThread;
 
     /// <summary>
     /// Extensions for <see cref="AzureDevOpsPullRequestCommentThread"/>.
diff --git a/src/Cake.Issues.PullRequests.AzureDevOps/IAzureDevOpsPullRequestSystem.cs b/src/Cake.Issues.PullRequests.AzureDevOps/IAzureDevOpsPullRequestSystem.cs
index 96887cf..2aae084 100644
--- a/src/Cake.Issues.PullRequests.AzureDevOps/IAzureDevOpsPullRequestSystem.cs
+++ b/src/Cake.Issues.PullRequests.AzureDevOps/IAzureDevOpsPullRequestSystem.cs
@@ -1,6 +1,6 @@
 namespace Cake.Issues.PullRequests.AzureDevOps
 {
-    using Cake.AzureDevOps.PullRequest;
+    using Cake.AzureDevOps.Repos.PullRequest;
 
     /// <summary>
     /// Interface for writing issues to Azure DevOps pull requests.