diff --git a/AsbCloudInfrastructure/Repository/CrudRepositoryBase.cs b/AsbCloudInfrastructure/Repository/CrudRepositoryBase.cs
index 900e181c..944dabd5 100644
--- a/AsbCloudInfrastructure/Repository/CrudRepositoryBase.cs
+++ b/AsbCloudInfrastructure/Repository/CrudRepositoryBase.cs
@@ -142,11 +142,9 @@ namespace AsbCloudInfrastructure.Repository
             if (ids.Length != existingEntitiesCount)
                 throw new ArgumentInvalidException(nameof(dtos), "Все записи должны существовать в БД");
             
-            var entities = dtos.Select(Convert);
-            var entries = entities.Select(entity => dbSet.Update(entity)).Cast<EntityEntry>().ToList();
-            var affected = await dbContext.SaveChangesAsync(token);
-            entries.ForEach(e => e.State = EntityState.Detached);
-            return affected;
+            var entities = dbContext.Set<TEntity>().Where(e => ids.Contains(e.Id));
+            dbContext.Set<TEntity>().UpdateRange(entities);
+            return await dbContext.SaveChangesAsync(token);
         }
 
         /// <inheritdoc/>