diff --git a/tests/unit/AStar.Dev.Utilities.Unit.Tests/AStar.Dev.Utilities.Unit.Tests.csproj b/tests/unit/AStar.Dev.Utilities.Unit.Tests/AStar.Dev.Utilities.Unit.Tests.csproj
index 0f44757..2beb00e 100644
--- a/tests/unit/AStar.Dev.Utilities.Unit.Tests/AStar.Dev.Utilities.Unit.Tests.csproj
+++ b/tests/unit/AStar.Dev.Utilities.Unit.Tests/AStar.Dev.Utilities.Unit.Tests.csproj
@@ -14,7 +14,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="FluentAssertions" Version="6.12.1" />
+    <PackageReference Include="FluentAssertions" Version="8.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">