diff --git a/test/Functions/Altinn.Platform.Authorization.Functions.UnitTest.csproj b/test/Functions/Altinn.Platform.Authorization.Functions.UnitTest.csproj
index 30b8325c5..84399d6e1 100644
--- a/test/Functions/Altinn.Platform.Authorization.Functions.UnitTest.csproj
+++ b/test/Functions/Altinn.Platform.Authorization.Functions.UnitTest.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="6.12.1" />
+    <PackageReference Include="FluentAssertions" Version="8.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.9.2" />