diff --git a/dotnet/AipsCore/Application/Models/Shape/Command/CreateRectangle/CreateRectangleCommandHandler.cs b/dotnet/AipsCore/Application/Models/Shape/Command/CreateRectangle/CreateRectangleCommandHandler.cs
index 50a7d7c..c03b948 100644
--- a/dotnet/AipsCore/Application/Models/Shape/Command/CreateRectangle/CreateRectangleCommandHandler.cs
+++ b/dotnet/AipsCore/Application/Models/Shape/Command/CreateRectangle/CreateRectangleCommandHandler.cs
@@ -28,7 +28,7 @@ public class CreateRectangleCommandHandler : ICommandHandler<CreateRectangleComm
             command.EndPositionY,
             command.BorderThickness);
 
-        await _shapeRepository.Add(rectangle, cancellationToken);
+        await _shapeRepository.SaveAsync(rectangle, cancellationToken);
         await _unitOfWork.SaveChangesAsync(cancellationToken);
 
         return rectangle.Id;
diff --git a/dotnet/AipsCore/Application/Models/User/Command/CreateUser/CreateUserCommandHandler.cs b/dotnet/AipsCore/Application/Models/User/Command/CreateUser/CreateUserCommandHandler.cs
index ea004af..b52dcb4 100644
--- a/dotnet/AipsCore/Application/Models/User/Command/CreateUser/CreateUserCommandHandler.cs
+++ b/dotnet/AipsCore/Application/Models/User/Command/CreateUser/CreateUserCommandHandler.cs
@@ -20,7 +20,7 @@ public class CreateUserCommandHandler : ICommandHandler<CreateUserCommand, UserI
     {
         var user = Domain.Models.User.User.Create(command.Email, command.Username, command.CreatedAt, command.DeletedAt); 
         
-        await _userRepository.Save(user, cancellationToken);
+        await _userRepository.SaveAsync(user, cancellationToken);
         await _unitOfWork.SaveChangesAsync(cancellationToken);
 
         return user.Id;
diff --git a/dotnet/AipsCore/Application/Models/Whiteboard/Command/CreateWhiteboard/CreateWhiteboardCommandHandler.cs b/dotnet/AipsCore/Application/Models/Whiteboard/Command/CreateWhiteboard/CreateWhiteboardCommandHandler.cs
index 6c613db..284c3a7 100644
--- a/dotnet/AipsCore/Application/Models/Whiteboard/Command/CreateWhiteboard/CreateWhiteboardCommandHandler.cs
+++ b/dotnet/AipsCore/Application/Models/Whiteboard/Command/CreateWhiteboard/CreateWhiteboardCommandHandler.cs
@@ -30,7 +30,7 @@ public class CreateWhiteboardCommandHandler : ICommandHandler<CreateWhiteboardCo
             command.JoinPolicy,
             command.State);
 
-        await _whiteboardRepository.Save(whiteboard, cancellationToken);
+        await _whiteboardRepository.SaveAsync(whiteboard, cancellationToken);
         await _unitOfWork.SaveChangesAsync(cancellationToken);
         
         return whiteboard.Id;
diff --git a/dotnet/AipsCore/Application/Models/WhiteboardMembership/Command/CreateWhiteboardMembership/CreateWhiteboardMembershipCommandHandler.cs b/dotnet/AipsCore/Application/Models/WhiteboardMembership/Command/CreateWhiteboardMembership/CreateWhiteboardMembershipCommandHandler.cs
index 127419f..a722f35 100644
--- a/dotnet/AipsCore/Application/Models/WhiteboardMembership/Command/CreateWhiteboardMembership/CreateWhiteboardMembershipCommandHandler.cs
+++ b/dotnet/AipsCore/Application/Models/WhiteboardMembership/Command/CreateWhiteboardMembership/CreateWhiteboardMembershipCommandHandler.cs
@@ -26,7 +26,7 @@ public class CreateWhiteboardMembershipCommandHandler : ICommandHandler<CreateWh
             command.CanJoin, 
             command.LastInteractedAt);
 
-        await _whiteboardMembershipRepository.Save(whiteboardMembership, cancellationToken);
+        await _whiteboardMembershipRepository.SaveAsync(whiteboardMembership, cancellationToken);
         await _unitOfWork.SaveChangesAsync(cancellationToken);
         
         return whiteboardMembership.Id;