diff --git a/Tests/AIDocument.Tests/AIDocument.Tests.csproj b/Tests/AIDocument.Tests/AIDocument.Tests.csproj
index 19192d6..2301627 100644
--- a/Tests/AIDocument.Tests/AIDocument.Tests.csproj
+++ b/Tests/AIDocument.Tests/AIDocument.Tests.csproj
@@ -11,7 +11,7 @@
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       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="FluentAssertions" Version="8.8.0" />
+    <PackageReference Include="FluentAssertions" Version="8.9.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageReference Include="NSubstitute" Version="5.3.0" />
     <PackageReference Include="xunit" Version="2.9.3" />