diff --git a/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj b/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj
index 4d19b56ec..560703ae3 100644
--- a/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj
+++ b/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj
@@ -28,7 +28,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Hellang.Middleware.ProblemDetails" Version="6.3.0" />
+    <PackageReference Include="Hellang.Middleware.ProblemDetails" Version="6.4.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="6.0.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>