diff --git a/backend/tests/Taskdeck.Api.Tests/Taskdeck.Api.Tests.csproj b/backend/tests/Taskdeck.Api.Tests/Taskdeck.Api.Tests.csproj
index 5c630edd2..a7c1dcd4c 100644
--- a/backend/tests/Taskdeck.Api.Tests/Taskdeck.Api.Tests.csproj
+++ b/backend/tests/Taskdeck.Api.Tests/Taskdeck.Api.Tests.csproj
@@ -21,7 +21,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+    <PackageReference Include="FluentAssertions" Version="8.9.0" />
   </ItemGroup>
 
   <ItemGroup>