diff --git a/ManagedCode.Communication.Tests/ManagedCode.Communication.Tests.csproj b/ManagedCode.Communication.Tests/ManagedCode.Communication.Tests.csproj
index cc69c8d..bba9f67 100644
--- a/ManagedCode.Communication.Tests/ManagedCode.Communication.Tests.csproj
+++ b/ManagedCode.Communication.Tests/ManagedCode.Communication.Tests.csproj
@@ -24,7 +24,7 @@
     </ItemGroup>
     <ItemGroup>
         <PackageReference Include="Microsoft.Orleans.TestingHost" Version="9.2.1"/>
-        <PackageReference Include="FluentAssertions" Version="7.0.0"/>
+        <PackageReference Include="FluentAssertions" Version="8.5.0"/>
         <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.7"/>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1"/>
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3"/>