diff --git a/DigitalData.UserManager.Application/Contracts/IBaseService.cs b/DigitalData.UserManager.Application/Contracts/IBaseService.cs
index 6438e94..c4e0a7e 100644
--- a/DigitalData.UserManager.Application/Contracts/IBaseService.cs
+++ b/DigitalData.UserManager.Application/Contracts/IBaseService.cs
@@ -5,10 +5,9 @@ using DigitalData.UserManager.Application.DTOs.Base;
 
 namespace DigitalData.UserManager.Application.Contracts
 {
-    public interface IBaseService<TCreateDto, TReadDto, TUpdateDto, TBaseEntity> : ICRUDService<TCreateDto, TReadDto, TUpdateDto, TBaseEntity, int>
+    public interface IBaseService<TCreateDto, TReadDto, TBaseEntity> : ICRUDService<TCreateDto, TReadDto, TBaseEntity, int>
         where TCreateDto : BaseCreateDto
         where TReadDto : class
-        where TUpdateDto : BaseUpdateDto
         where TBaseEntity : BaseEntity
     {
 
diff --git a/DigitalData.UserManager.Application/Contracts/IGroupOfUserService.cs b/DigitalData.UserManager.Application/Contracts/IGroupOfUserService.cs
index 703b869..8463629 100644
--- a/DigitalData.UserManager.Application/Contracts/IGroupOfUserService.cs
+++ b/DigitalData.UserManager.Application/Contracts/IGroupOfUserService.cs
@@ -4,7 +4,7 @@ using DigitalData.Core.DTO;
 
 namespace DigitalData.UserManager.Application.Contracts
 {
-    public interface IGroupOfUserService : IBaseService<GroupOfUserCreateDto, GroupOfUserReadDto, GroupOfUserUpdateDto, GroupOfUser>
+    public interface IGroupOfUserService : IBaseService<GroupOfUserCreateDto, GroupOfUserReadDto, GroupOfUser>
     {
         Task<Result> DeleteAsyncByGroupUserId(int groupId, int userId);
 
diff --git a/DigitalData.UserManager.Application/Contracts/IGroupService.cs b/DigitalData.UserManager.Application/Contracts/IGroupService.cs
index 5dae49d..4448402 100644
--- a/DigitalData.UserManager.Application/Contracts/IGroupService.cs
+++ b/DigitalData.UserManager.Application/Contracts/IGroupService.cs
@@ -4,7 +4,7 @@ using DigitalData.Core.DTO;
 
 namespace DigitalData.UserManager.Application.Contracts
 {
-    public interface IGroupService : IBaseService<GroupCreateDto, GroupReadDto, GroupUpdateDto, Group>
+    public interface IGroupService : IBaseService<GroupCreateDto, GroupReadDto, Group>
     {
         Task<DataResult<int>> CreateAsync(DirectoryGroupDto dirGroup);
     }
diff --git a/DigitalData.UserManager.Application/Contracts/IModuleOfUserService.cs b/DigitalData.UserManager.Application/Contracts/IModuleOfUserService.cs
index dc20222..ac54cea 100644
--- a/DigitalData.UserManager.Application/Contracts/IModuleOfUserService.cs
+++ b/DigitalData.UserManager.Application/Contracts/IModuleOfUserService.cs
@@ -5,7 +5,7 @@ using DigitalData.UserManager.Domain.Entities;
 
 namespace DigitalData.UserManager.Application.Contracts
 {
-    public interface IModuleOfUserService : ICRUDService<ModuleOfUserCreateDto, ModuleOfUserReadDto, ModuleOfUserUpdateDto, ModuleOfUser, int>
+    public interface IModuleOfUserService : ICRUDService<ModuleOfUserCreateDto, ModuleOfUserReadDto, ModuleOfUser, int>
     {
         Task<Result> DeleteAsyncByModuleUserId(int moduleId, int userId);
 
diff --git a/DigitalData.UserManager.Application/Contracts/IUserRepService.cs b/DigitalData.UserManager.Application/Contracts/IUserRepService.cs
index bd8e361..ddac7bb 100644
--- a/DigitalData.UserManager.Application/Contracts/IUserRepService.cs
+++ b/DigitalData.UserManager.Application/Contracts/IUserRepService.cs
@@ -4,7 +4,7 @@ using DigitalData.Core.DTO;
 
 namespace DigitalData.UserManager.Application.Contracts
 {
-    public interface IUserRepService : IBaseService<UserRepCreateDto, UserRepReadDto, UserRepUpdateDto, UserRep>
+    public interface IUserRepService : IBaseService<UserRepCreateDto, UserRepReadDto, UserRep>
     {
         Task<DataResult<IEnumerable<UserRepReadDto>>> ReadAllAsync(bool withUser = false, bool withRepGroup = false, bool withGroup = false, bool withRepUser = false, int? userId = null, int? groupId = null);
     }
diff --git a/DigitalData.UserManager.Application/Contracts/IUserService.cs b/DigitalData.UserManager.Application/Contracts/IUserService.cs
index 4465651..d794fb6 100644
--- a/DigitalData.UserManager.Application/Contracts/IUserService.cs
+++ b/DigitalData.UserManager.Application/Contracts/IUserService.cs
@@ -4,7 +4,7 @@ using DigitalData.Core.DTO;
 
 namespace DigitalData.UserManager.Application.Contracts
 {
-    public interface IUserService : IBaseService<UserCreateDto, UserReadDto, UserUpdateDto, User>
+    public interface IUserService : IBaseService<UserCreateDto, UserReadDto, User>
     {
         Task<DataResult<IEnumerable<UserReadDto>>> ReadByModuleIdAsync(int moduleId);
 
diff --git a/DigitalData.UserManager.Application/DigitalData.UserManager.Application.csproj b/DigitalData.UserManager.Application/DigitalData.UserManager.Application.csproj
index b31cfbd..f4cf1a3 100644
--- a/DigitalData.UserManager.Application/DigitalData.UserManager.Application.csproj
+++ b/DigitalData.UserManager.Application/DigitalData.UserManager.Application.csproj
@@ -25,7 +25,8 @@
 
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="13.0.1" />
-    <PackageReference Include="DigitalData.Core.Application" Version="2.0.0" />
+    <PackageReference Include="DigitalData.Core.Abstractions" Version="3.1.0" />
+    <PackageReference Include="DigitalData.Core.Application" Version="3.0.1" />
     <PackageReference Include="DigitalData.EmailProfilerDispatcher.Abstraction" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.Localization.Abstractions" Version="7.0.16" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="7.0.0" />
diff --git a/DigitalData.UserManager.Application/Services/BaseService.cs b/DigitalData.UserManager.Application/Services/BaseService.cs
index ca36cc6..6f68e13 100644
--- a/DigitalData.UserManager.Application/Services/BaseService.cs
+++ b/DigitalData.UserManager.Application/Services/BaseService.cs
@@ -9,11 +9,10 @@ using DigitalData.UserManager.Domain.Entities;
 
 namespace DigitalData.UserManager.Application.Services
 {
-    public class BaseService<TCRUDRepository, TCreateDto, TReadDto, TUpdateDto, TBaseEntity> : CRUDService<TCRUDRepository, TCreateDto, TReadDto, TUpdateDto, TBaseEntity, int>, IBaseService<TCreateDto, TReadDto, TUpdateDto, TBaseEntity>
+    public class BaseService<TCRUDRepository, TCreateDto, TReadDto, TBaseEntity> : CRUDService<TCRUDRepository, TCreateDto, TReadDto, TBaseEntity, int>, IBaseService<TCreateDto, TReadDto, TBaseEntity>
         where TCRUDRepository : ICRUDRepository<TBaseEntity, int>
         where TCreateDto : BaseCreateDto
         where TReadDto : class
-        where TUpdateDto : BaseUpdateDto
         where TBaseEntity : BaseEntity
     {
         public BaseService(TCRUDRepository repository, IMapper mapper) : base(repository, mapper)
@@ -37,12 +36,13 @@ namespace DigitalData.UserManager.Application.Services
             return await base.CreateAsync(createDto);
         }
 
-        public override async Task<Result> UpdateAsync(TUpdateDto updateDto)
+        // made without generic type
+        public override async Task<Result> UpdateAsync<TUpdateDto>(TUpdateDto updateDto)
         {
             var user = await GetUserAsync();
-            if (user is not null)
+            if (user is not null && updateDto is BaseUpdateDto baseUpdateDto)
             {
-                updateDto.ChangedWho = user.Username;
+                baseUpdateDto.ChangedWho = user.Username;
             }
 
             return await base.UpdateAsync(updateDto);
diff --git a/DigitalData.UserManager.Application/Services/GroupOfUserService.cs b/DigitalData.UserManager.Application/Services/GroupOfUserService.cs
index 688be6a..8846b48 100644
--- a/DigitalData.UserManager.Application/Services/GroupOfUserService.cs
+++ b/DigitalData.UserManager.Application/Services/GroupOfUserService.cs
@@ -7,7 +7,7 @@ using DigitalData.UserManager.Infrastructure.Contracts;
 
 namespace DigitalData.UserManager.Application.Services
 {
-    public class GroupOfUserService : BaseService<IGroupOfUserRepository, GroupOfUserCreateDto, GroupOfUserReadDto, GroupOfUserUpdateDto, GroupOfUser>, IGroupOfUserService
+    public class GroupOfUserService : BaseService<IGroupOfUserRepository, GroupOfUserCreateDto, GroupOfUserReadDto, GroupOfUser>, IGroupOfUserService
     {
         public GroupOfUserService(IGroupOfUserRepository repository, IMapper mapper) : base(repository, mapper)
         {
diff --git a/DigitalData.UserManager.Application/Services/GroupService.cs b/DigitalData.UserManager.Application/Services/GroupService.cs
index 093832d..752cd10 100644
--- a/DigitalData.UserManager.Application/Services/GroupService.cs
+++ b/DigitalData.UserManager.Application/Services/GroupService.cs
@@ -8,7 +8,7 @@ using Microsoft.Extensions.Localization;
 
 namespace DigitalData.UserManager.Application.Services
 {
-    public class GroupService : BaseService<IGroupRepository, GroupCreateDto, GroupReadDto, GroupUpdateDto, Group>, IGroupService
+    public class GroupService : BaseService<IGroupRepository, GroupCreateDto, GroupReadDto, Group>, IGroupService
     {
         private readonly IStringLocalizer<Resource> _localizer;
         public GroupService(IGroupRepository repository, IStringLocalizer<Resource> localizer, IMapper mapper) : base(repository, mapper)
diff --git a/DigitalData.UserManager.Application/Services/ModuleOfUserService.cs b/DigitalData.UserManager.Application/Services/ModuleOfUserService.cs
index 1c3379f..1d41b0f 100644
--- a/DigitalData.UserManager.Application/Services/ModuleOfUserService.cs
+++ b/DigitalData.UserManager.Application/Services/ModuleOfUserService.cs
@@ -8,7 +8,7 @@ using DigitalData.UserManager.Infrastructure.Contracts;
 
 namespace DigitalData.UserManager.Application.Services
 {
-    public class ModuleOfUserService : CRUDService<IModuleOfUserRepository, ModuleOfUserCreateDto, ModuleOfUserReadDto, ModuleOfUserUpdateDto, ModuleOfUser, int>, IModuleOfUserService
+    public class ModuleOfUserService : CRUDService<IModuleOfUserRepository, ModuleOfUserCreateDto, ModuleOfUserReadDto, ModuleOfUser, int>, IModuleOfUserService
     {
         public ModuleOfUserService(IModuleOfUserRepository repository, IMapper mapper) : base(repository, mapper)
         {
diff --git a/DigitalData.UserManager.Application/Services/UserRepService.cs b/DigitalData.UserManager.Application/Services/UserRepService.cs
index e93d3fd..832a9f4 100644
--- a/DigitalData.UserManager.Application/Services/UserRepService.cs
+++ b/DigitalData.UserManager.Application/Services/UserRepService.cs
@@ -9,7 +9,7 @@ using Microsoft.Extensions.Logging;
 
 namespace DigitalData.UserManager.Application.Services
 {
-    public class UserRepService : BaseService<IUserRepRepository, UserRepCreateDto, UserRepReadDto, UserRepUpdateDto, UserRep>, IUserRepService
+    public class UserRepService : BaseService<IUserRepRepository, UserRepCreateDto, UserRepReadDto, UserRep>, IUserRepService
     {
         private readonly IStringLocalizer<Resource> _localizer;
         public UserRepService(IUserRepRepository repository, IStringLocalizer<Resource> localizer, IMapper mapper) : base(repository, mapper)
diff --git a/DigitalData.UserManager.Application/Services/UserService.cs b/DigitalData.UserManager.Application/Services/UserService.cs
index d6081b1..a0f062f 100644
--- a/DigitalData.UserManager.Application/Services/UserService.cs
+++ b/DigitalData.UserManager.Application/Services/UserService.cs
@@ -8,7 +8,7 @@ using Microsoft.Extensions.Localization;
 
 namespace DigitalData.UserManager.Application.Services
 {
-    public class UserService : BaseService<IUserRepository, UserCreateDto, UserReadDto, UserUpdateDto, User>, IUserService
+    public class UserService : BaseService<IUserRepository, UserCreateDto, UserReadDto, User>, IUserService
     {
         private readonly IStringLocalizer<Resource> _localizer;
         public UserService(IUserRepository repository, IStringLocalizer<Resource> localizer, IMapper mapper) : base(repository, mapper)
diff --git a/DigitalData.UserManager.Domain/DigitalData.UserManager.Domain.csproj b/DigitalData.UserManager.Domain/DigitalData.UserManager.Domain.csproj
index 0f4299f..79335d7 100644
--- a/DigitalData.UserManager.Domain/DigitalData.UserManager.Domain.csproj
+++ b/DigitalData.UserManager.Domain/DigitalData.UserManager.Domain.csproj
@@ -24,7 +24,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="DigitalData.Core.Abstractions" Version="2.0.0" />
+    <PackageReference Include="DigitalData.Core.Abstractions" Version="3.1.0" />
   </ItemGroup>
 
   <ItemGroup>