diff --git a/tests/Atypical.VirtualFileSystem.UnitTests/Atypical.VirtualFileSystem.UnitTests.csproj b/tests/Atypical.VirtualFileSystem.UnitTests/Atypical.VirtualFileSystem.UnitTests.csproj
index a4cc6d6..141c295 100644
--- a/tests/Atypical.VirtualFileSystem.UnitTests/Atypical.VirtualFileSystem.UnitTests.csproj
+++ b/tests/Atypical.VirtualFileSystem.UnitTests/Atypical.VirtualFileSystem.UnitTests.csproj
@@ -6,7 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="FluentAssertions" Version="7.0.0" />
+        <PackageReference Include="FluentAssertions" Version="8.1.1" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
         <PackageReference Include="xunit" Version="2.9.2" />
         <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0">