diff --git a/Directory.Packages.props b/Directory.Packages.props
index a57932ce06d..8ea8f36af6b 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -37,6 +37,7 @@
 
     <!-- Test only -->
     <PackageVersion Include="coverlet.collector" Version="6.0.0" />
+    <PackageVersion Include="FluentAssertions" Version="6.11.0" />
     <PackageVersion Include="Magick.NET-Q16-AnyCPU" Version="13.1.3" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
     <PackageVersion Include="Microsoft.Playwright" Version="1.35.0" />
diff --git a/test/Directory.Build.props b/test/Directory.Build.props
index 18931e806d6..01eb85bfc2d 100644
--- a/test/Directory.Build.props
+++ b/test/Directory.Build.props
@@ -14,6 +14,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="FluentAssertions" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
     <!--
       The NuGet.Frameworks package is required to run csproj based tests targeting .NET 7.0.200.