diff --git a/src/CommunityToolkit.Diagnostics/CommunityToolkit.Diagnostics.csproj b/src/CommunityToolkit.Diagnostics/CommunityToolkit.Diagnostics.csproj
index 5f14958a6..cc9d42d39 100644
--- a/src/CommunityToolkit.Diagnostics/CommunityToolkit.Diagnostics.csproj
+++ b/src/CommunityToolkit.Diagnostics/CommunityToolkit.Diagnostics.csproj
@@ -19,14 +19,14 @@
     <!-- .NET Standard 2.0 doesn't have the Span<T> type -->
     <When Condition="'$(TargetFramework)' == 'netstandard2.0'">
       <ItemGroup>
-        <PackageReference Include="System.Memory" Version="4.5.5" />
+        <PackageReference Include="System.Memory" Version="4.6.0" />
       </ItemGroup>
     </When>
 
     <!-- .NET Standard 2.1 doesn't have the Unsafe type -->
     <When Condition="'$(TargetFramework)' == 'netstandard2.1'">
       <ItemGroup>
-        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
+        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
       </ItemGroup>
     </When>
   </Choose>
diff --git a/src/CommunityToolkit.HighPerformance/CommunityToolkit.HighPerformance.csproj b/src/CommunityToolkit.HighPerformance/CommunityToolkit.HighPerformance.csproj
index 1f17262a5..06972b24b 100644
--- a/src/CommunityToolkit.HighPerformance/CommunityToolkit.HighPerformance.csproj
+++ b/src/CommunityToolkit.HighPerformance/CommunityToolkit.HighPerformance.csproj
@@ -30,10 +30,10 @@
 
       <!-- .NET Standard 2.0 doesn't have the Span<T>, HashCode and ValueTask types -->
       <ItemGroup>
-        <PackageReference Include="Microsoft.Bcl.HashCode" Version="1.1.1" />
-        <PackageReference Include="System.Memory" Version="4.5.5" />
-        <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
-        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
+        <PackageReference Include="Microsoft.Bcl.HashCode" Version="6.0.0" />
+        <PackageReference Include="System.Memory" Version="4.6.0" />
+        <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.6.0" />
+        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
       </ItemGroup>
 
       <!-- On .NET Standard 2.0, the unit test project also needs access to internals -->
@@ -45,7 +45,7 @@
     <!-- .NET Standard 2.1 doesn't have the Unsafe type -->
     <When Condition="'$(TargetFramework)' == 'netstandard2.1'">
       <ItemGroup>
-        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
+        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
       </ItemGroup>
     </When>
   </Choose>
diff --git a/src/CommunityToolkit.Mvvm.CodeFixers/CommunityToolkit.Mvvm.CodeFixers.props b/src/CommunityToolkit.Mvvm.CodeFixers/CommunityToolkit.Mvvm.CodeFixers.props
index 114924f1c..391336f41 100644
--- a/src/CommunityToolkit.Mvvm.CodeFixers/CommunityToolkit.Mvvm.CodeFixers.props
+++ b/src/CommunityToolkit.Mvvm.CodeFixers/CommunityToolkit.Mvvm.CodeFixers.props
@@ -27,9 +27,6 @@
     <!-- Also define "ROSLYN_<MAJOR>_<MINOR>_OR_GREATER" build constants, so the generator code can multi-target whenever needed and add any required polyfills -->
     <DefineConstants Condition="$([MSBuild]::VersionGreaterThanOrEquals($(MvvmToolkitSourceGeneratorRoslynVersion), 4.3.1))">$(DefineConstants);ROSLYN_4_3_1_OR_GREATER</DefineConstants>
     <DefineConstants Condition="$([MSBuild]::VersionGreaterThanOrEquals($(MvvmToolkitSourceGeneratorRoslynVersion), 4.12.0))">$(DefineConstants);ROSLYN_4_12_0_OR_GREATER</DefineConstants>
-
-    <!-- Temporary fixup until Roslyn 4.12 ships to public NuGet -->
-    <MvvmToolkitSourceGeneratorRoslynVersion Condition="'$(MvvmToolkitSourceGeneratorRoslynVersion)' == '4.12.0'">4.12.0-3.final</MvvmToolkitSourceGeneratorRoslynVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/CommunityToolkit.Mvvm.SourceGenerators/CommunityToolkit.Mvvm.SourceGenerators.props b/src/CommunityToolkit.Mvvm.SourceGenerators/CommunityToolkit.Mvvm.SourceGenerators.props
index 0e176df51..1517ae8cf 100644
--- a/src/CommunityToolkit.Mvvm.SourceGenerators/CommunityToolkit.Mvvm.SourceGenerators.props
+++ b/src/CommunityToolkit.Mvvm.SourceGenerators/CommunityToolkit.Mvvm.SourceGenerators.props
@@ -44,9 +44,6 @@
 
     <!-- Disable the removed rules analyzer for older Roslyn versions (as we might not support all diagnostics) -->
     <NoWarn Condition="$([MSBuild]::VersionLessThan($(MvvmToolkitSourceGeneratorRoslynVersion), 4.12.0))">$(NoWarn);RS2003</NoWarn>
-
-    <!-- Temporary fixup until Roslyn 4.12 ships to public NuGet -->
-    <MvvmToolkitSourceGeneratorRoslynVersion Condition="'$(MvvmToolkitSourceGeneratorRoslynVersion)' == '4.12.0'">4.12.0-3.final</MvvmToolkitSourceGeneratorRoslynVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.WindowsSdk.targets b/src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.WindowsSdk.targets
index 1655776c5..cf89f2def 100644
--- a/src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.WindowsSdk.targets
+++ b/src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.WindowsSdk.targets
@@ -28,8 +28,8 @@
           - The recommended Windows SDK package for WindowsAppSDK projects (ie. without UWP XAML projections). 
       -->
       <_MvvmToolkitWindowsSdkPackageMinBuild>38</_MvvmToolkitWindowsSdkPackageMinBuild>
-      <_MvvmToolkitWindowsSdkPackageRecommendedUwpBuild>39</_MvvmToolkitWindowsSdkPackageRecommendedUwpBuild>
-      <_MvvmToolkitWindowsSdkPackageRecommendedWindowsAppSDKBuild>41</_MvvmToolkitWindowsSdkPackageRecommendedWindowsAppSDKBuild>
+      <_MvvmToolkitWindowsSdkPackageRecommendedUwpBuild>54</_MvvmToolkitWindowsSdkPackageRecommendedUwpBuild>
+      <_MvvmToolkitWindowsSdkPackageRecommendedWindowsAppSDKBuild>53</_MvvmToolkitWindowsSdkPackageRecommendedWindowsAppSDKBuild>
 
       <!-- Switch on the recommended one based on configuration -->
       <_MvvmToolkitWindowsSdkPackageRecommendedBuild>$(_MvvmToolkitWindowsSdkPackageMinBuild)</_MvvmToolkitWindowsSdkPackageRecommendedBuild>
diff --git a/src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.csproj b/src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.csproj
index 69a5befaf..dd7c98d01 100644
--- a/src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.csproj
+++ b/src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.csproj
@@ -44,14 +44,14 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
-    <PackageReference Include="System.Memory" Version="4.5.5" />
-    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
+    <PackageReference Include="System.Memory" Version="4.6.0" />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
   </ItemGroup>
 
   <!-- .NET Standard 2.1 doesn't have the Unsafe type -->
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
-    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
   </ItemGroup>
 
   <!-- Include the ILLink file (to properly trim configuration switches in publish builds) -->
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 486e75379..84e173b48 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="1.14.1">
+    <PackageReference Include="PolySharp" Version="1.15.0">
       <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 e47e06627..920b2cd7b 100644
--- a/tests/CommunityToolkit.Common.UnitTests/CommunityToolkit.Common.UnitTests.csproj
+++ b/tests/CommunityToolkit.Common.UnitTests/CommunityToolkit.Common.UnitTests.csproj
@@ -5,9 +5,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/CommunityToolkit.Diagnostics.UnitTests/CommunityToolkit.Diagnostics.UnitTests.csproj b/tests/CommunityToolkit.Diagnostics.UnitTests/CommunityToolkit.Diagnostics.UnitTests.csproj
index 633cc0fa4..150c0d3f8 100644
--- a/tests/CommunityToolkit.Diagnostics.UnitTests/CommunityToolkit.Diagnostics.UnitTests.csproj
+++ b/tests/CommunityToolkit.Diagnostics.UnitTests/CommunityToolkit.Diagnostics.UnitTests.csproj
@@ -5,9 +5,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/CommunityToolkit.HighPerformance.UnitTests/CommunityToolkit.HighPerformance.UnitTests.csproj b/tests/CommunityToolkit.HighPerformance.UnitTests/CommunityToolkit.HighPerformance.UnitTests.csproj
index 772b868c5..516a2e527 100644
--- a/tests/CommunityToolkit.HighPerformance.UnitTests/CommunityToolkit.HighPerformance.UnitTests.csproj
+++ b/tests/CommunityToolkit.HighPerformance.UnitTests/CommunityToolkit.HighPerformance.UnitTests.csproj
@@ -11,9 +11,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
   </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 5853d5a5c..388b7f394 100644
--- a/tests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests/CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests.csproj
@@ -5,9 +5,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
   </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 acb777815..430fab996 100644
--- a/tests/CommunityToolkit.Mvvm.Internals.UnitTests/CommunityToolkit.Mvvm.Internals.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.Internals.UnitTests/CommunityToolkit.Mvvm.Internals.UnitTests.csproj
@@ -5,9 +5,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.Roslyn4001.UnitTests/CommunityToolkit.Mvvm.Roslyn4001.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.Roslyn4001.UnitTests/CommunityToolkit.Mvvm.Roslyn4001.UnitTests.csproj
index eb46db98f..17ecba754 100644
--- a/tests/CommunityToolkit.Mvvm.Roslyn4001.UnitTests/CommunityToolkit.Mvvm.Roslyn4001.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.Roslyn4001.UnitTests/CommunityToolkit.Mvvm.Roslyn4001.UnitTests.csproj
@@ -7,9 +7,9 @@
 
   <ItemGroup>
     <PackageReference Include="Dbs.Signed3.Nito.AsyncEx.Context" Version="5.0.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="System.Reactive" Version="6.0.1" />
     <PackageReference Include="System.Text.Json" Version="8.0.5" />
   </ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.Roslyn4031.UnitTests/CommunityToolkit.Mvvm.Roslyn4031.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.Roslyn4031.UnitTests/CommunityToolkit.Mvvm.Roslyn4031.UnitTests.csproj
index b70464cb4..f027142a5 100644
--- a/tests/CommunityToolkit.Mvvm.Roslyn4031.UnitTests/CommunityToolkit.Mvvm.Roslyn4031.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.Roslyn4031.UnitTests/CommunityToolkit.Mvvm.Roslyn4031.UnitTests.csproj
@@ -7,9 +7,9 @@
 
   <ItemGroup>
     <PackageReference Include="Dbs.Signed3.Nito.AsyncEx.Context" Version="5.0.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="System.Reactive" Version="6.0.1" />
     <PackageReference Include="System.Text.Json" Version="8.0.5" />
   </ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.Roslyn4120.UnitTests/CommunityToolkit.Mvvm.Roslyn4120.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.Roslyn4120.UnitTests/CommunityToolkit.Mvvm.Roslyn4120.UnitTests.csproj
index cfdec7b22..a1fb65d0c 100644
--- a/tests/CommunityToolkit.Mvvm.Roslyn4120.UnitTests/CommunityToolkit.Mvvm.Roslyn4120.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.Roslyn4120.UnitTests/CommunityToolkit.Mvvm.Roslyn4120.UnitTests.csproj
@@ -12,9 +12,9 @@
 
   <ItemGroup>
     <PackageReference Include="Dbs.Signed3.Nito.AsyncEx.Context" Version="5.0.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="System.Reactive" Version="6.0.1" />
     <PackageReference Include="System.Text.Json" Version="8.0.5" />
   </ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4001.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4001.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4001.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4001.UnitTests.csproj
index 3656cfdf1..eaa0f012c 100644
--- a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4001.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4001.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4001.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4001.UnitTests.csproj
@@ -7,10 +7,10 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" Version="1.1.2" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.2" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4031.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4031.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4031.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4031.UnitTests.csproj
index 495ef1dca..6aa049262 100644
--- a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4031.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4031.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4031.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4031.UnitTests.csproj
@@ -12,10 +12,10 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" Version="1.1.2" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.2" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.4.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4120.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4120.UnitTests.csproj b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4120.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4120.UnitTests.csproj
index eba477975..7d0387bee 100644
--- a/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4120.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4120.UnitTests.csproj
+++ b/tests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4120.UnitTests/CommunityToolkit.Mvvm.SourceGenerators.Roslyn4120.UnitTests.csproj
@@ -8,10 +8,10 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" Version="1.1.2" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.2" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0-3.final" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
   </ItemGroup>
 
   <ItemGroup>