diff --git a/src/DigitalData.Auth.API/Controllers/AuthController.cs b/src/DigitalData.Auth.API/Controllers/AuthController.cs
index 1128288..018f698 100644
--- a/src/DigitalData.Auth.API/Controllers/AuthController.cs
+++ b/src/DigitalData.Auth.API/Controllers/AuthController.cs
@@ -1,16 +1,12 @@
 using DigitalData.Auth.API.Config;
 using DigitalData.Core.Abstractions.Security;
-using DigitalData.UserManager.Domain.Entities;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Options;
-using System.Security.Claims;
-using System.IdentityModel.Tokens.Jwt;
 using DigitalData.UserManager.Application.DTOs.Auth;
 using DigitalData.UserManager.Application.Contracts;
 using DigitalData.UserManager.Application.DTOs.User;
 using DigitalData.Core.Abstractions.Application;
-using System.Net;
 using DigitalData.Auth.API.Dto;
 using DigitalData.Auth.API.Services.Contracts;
 using DigitalData.Auth.API.Entities;
@@ -51,7 +47,7 @@ namespace DigitalData.Auth.API.Controllers
 
         private async Task<IActionResult> CreateTokenAsync(LogInDto login, string consumerRoute, bool cookie = true)
         {
-            bool isValid = _dirSearchService.ValidateCredentials(login.Username, login.Password);
+            bool isValid = await _dirSearchService.ValidateCredentialsAsync(login.Username, login.Password);
 
             if (!isValid)
                 return Unauthorized();
diff --git a/src/DigitalData.Auth.API/DigitalData.Auth.API.csproj b/src/DigitalData.Auth.API/DigitalData.Auth.API.csproj
index 13621ab..4806370 100644
--- a/src/DigitalData.Auth.API/DigitalData.Auth.API.csproj
+++ b/src/DigitalData.Auth.API/DigitalData.Auth.API.csproj
@@ -10,7 +10,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="DigitalData.Core.Abstractions" Version="3.1.0" />
+    <PackageReference Include="DigitalData.Core.Abstractions" Version="3.2.0" />
+    <PackageReference Include="DigitalData.Core.Application" Version="3.2.0" />
     <PackageReference Include="DigitalData.Core.Security" Version="1.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.12" />
     <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="8.3.0" />
diff --git a/src/DigitalData.Auth.API/Program.cs b/src/DigitalData.Auth.API/Program.cs
index 813c361..90814e8 100644
--- a/src/DigitalData.Auth.API/Program.cs
+++ b/src/DigitalData.Auth.API/Program.cs
@@ -39,8 +39,7 @@ builder.Services.AddJwtSignatureHandler<UserReadDto>(user => new Dictionary<stri
     { JwtRegisteredClaimNames.Iat, DateTimeOffset.UtcNow.ToUnixTimeSeconds() }
 });
 builder.Services.AddLocalization();
-builder.Services.Configure<DirectorySearchOptions>(config.GetSection("DirectorySearchOptions"));
-builder.Services.AddDirectorySearchService();
+builder.Services.AddDirectorySearchService(config.GetSection("DirectorySearchOptions"));
 
 var cnn_str = builder.Configuration.GetConnectionString("Default") ?? throw new InvalidOperationException("Default connection string is not found.");