diff --git a/Directory.Packages.props b/Directory.Packages.props
index f895ef5..a6275ef 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -10,7 +10,7 @@
     <PackageVersion Include="ModelContextProtocol" Version="0.2.0-preview.3" />
     <!-- Testing packages -->
     <PackageVersion Include="Moq" Version="4.20.72" />
-    <PackageVersion Include="FluentAssertions" Version="8.3.0" />
+    <PackageVersion Include="FluentAssertions" Version="8.6.0" />
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="9.0.6" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="9.0.6" />