diff --git a/Directory.Build.props b/Directory.Build.props
index 37e8c3425..48a18c427 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -25,7 +25,7 @@
   </Choose>
 
   <ItemGroup>
-    <PackageReference Include="Nerdbank.GitVersioning" Version="3.5.119" PrivateAssets="All" />
+    <PackageReference Include="Nerdbank.GitVersioning" Version="3.6.128" PrivateAssets="All" />
   </ItemGroup>
 
   <Choose>
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index a5e225eee..882db66f3 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -3,7 +3,7 @@
 
   <!-- Include PolySharp to generate polyfills for all projects (on their .NET Standard 2.x targets) -->
   <ItemGroup>
-    <PackageReference Include="PolySharp" Version="1.12.1">
+    <PackageReference Include="PolySharp" Version="1.13.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>build; analyzers</IncludeAssets>
     </PackageReference>
diff --git a/tests/CommunityToolkit.Common.UnitTests/CommunityToolkit.Common.UnitTests.csproj b/tests/CommunityToolkit.Common.UnitTests/CommunityToolkit.Common.UnitTests.csproj
index 61d755997..3f08c0b80 100644
--- a/tests/CommunityToolkit.Common.UnitTests/CommunityToolkit.Common.UnitTests.csproj
+++ b/tests/CommunityToolkit.Common.UnitTests/CommunityToolkit.Common.UnitTests.csproj
@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/CommunityToolkit.Diagnostics.UnitTests/CommunityToolkit.Diagnostics.UnitTests.csproj b/tests/CommunityToolkit.Diagnostics.UnitTests/CommunityToolkit.Diagnostics.UnitTests.csproj
index b0d1da099..37e5235f3 100644
--- a/tests/CommunityToolkit.Diagnostics.UnitTests/CommunityToolkit.Diagnostics.UnitTests.csproj
+++ b/tests/CommunityToolkit.Diagnostics.UnitTests/CommunityToolkit.Diagnostics.UnitTests.csproj
@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/CommunityToolkit.HighPerformance.UnitTests/CommunityToolkit.HighPerformance.UnitTests.csproj b/tests/CommunityToolkit.HighPerformance.UnitTests/CommunityToolkit.HighPerformance.UnitTests.csproj
index 6ef1ec69d..1aefaa8f0 100644
--- a/tests/CommunityToolkit.HighPerformance.UnitTests/CommunityToolkit.HighPerformance.UnitTests.csproj
+++ b/tests/CommunityToolkit.HighPerformance.UnitTests/CommunityToolkit.HighPerformance.UnitTests.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/tests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests.csproj
index 4522e0f57..27b99da67 100644
--- a/tests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests.csproj
@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.Internals.UnitTests/CommunityToolkit.Mvvm.Internals.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.Internals.UnitTests/CommunityToolkit.Mvvm.Internals.UnitTests.csproj
index 10bc3de7d..4e576b0c2 100644
--- a/tests/CommunityToolkit.Mvvm.Internals.UnitTests/CommunityToolkit.Mvvm.Internals.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.Internals.UnitTests/CommunityToolkit.Mvvm.Internals.UnitTests.csproj
@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.Roslyn401.UnitTests/CommunityToolkit.Mvvm.Roslyn401.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.Roslyn401.UnitTests/CommunityToolkit.Mvvm.Roslyn401.UnitTests.csproj
index 7199d90fe..237103970 100644
--- a/tests/CommunityToolkit.Mvvm.Roslyn401.UnitTests/CommunityToolkit.Mvvm.Roslyn401.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.Roslyn401.UnitTests/CommunityToolkit.Mvvm.Roslyn401.UnitTests.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="Dbs.Signed3.Nito.AsyncEx.Context" Version="5.0.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="System.Reactive" Version="5.0.0" />
     <PackageReference Include="System.Text.Json" Version="7.0.2" />
   </ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.Roslyn431.UnitTests/CommunityToolkit.Mvvm.Roslyn431.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.Roslyn431.UnitTests/CommunityToolkit.Mvvm.Roslyn431.UnitTests.csproj
index 780c6ed90..4047cd225 100644
--- a/tests/CommunityToolkit.Mvvm.Roslyn431.UnitTests/CommunityToolkit.Mvvm.Roslyn431.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.Roslyn431.UnitTests/CommunityToolkit.Mvvm.Roslyn431.UnitTests.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="Dbs.Signed3.Nito.AsyncEx.Context" Version="5.0.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="System.Reactive" Version="5.0.0" />
     <PackageReference Include="System.Text.Json" Version="7.0.2" />
   </ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn401.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn401.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn401.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn401.UnitTests.csproj
index 53c2ba335..7f3373c5e 100644
--- a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn401.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn401.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn401.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn401.UnitTests.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.MSTest" Version="1.1.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
   </ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn431.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn431.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn431.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn431.UnitTests.csproj
index 4d536d505..391078d31 100644
--- a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn431.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn431.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn431.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn431.UnitTests.csproj
@@ -8,7 +8,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.MSTest" Version="1.1.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.4.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
   </ItemGroup>