diff --git a/tests/Riter.Tests/Riter.Tests.csproj b/tests/Riter.Tests/Riter.Tests.csproj
index 95cde2f..09e8b1f 100644
--- a/tests/Riter.Tests/Riter.Tests.csproj
+++ b/tests/Riter.Tests/Riter.Tests.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="7.0.0" />
+    <PackageReference Include="FluentAssertions" Version="8.9.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit.assert" Version="2.9.3" />