diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 945dd47..7e3fc15 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -100,7 +100,7 @@
 
     <ItemGroup Condition=" $(IsTestProject) == 'true' ">
         <PackageReference Include="coverlet.collector" Version="*" />
-        <PackageReference Include="FluentAssertions" Version="6.*" PrivateAssets="All" />
+        <PackageReference Include="FluentAssertions" Version="8.8.0" PrivateAssets="All" />
         <PackageReference Include="FluentAssertions.Analyzers" Version="0.*" PrivateAssets="All" />
         <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="*" />
         <PackageReference Include="MSTest" Version="4.*" />