diff --git a/ExportTelegramContacts/ExportTelegramContacts.csproj b/ExportTelegramContacts/ExportTelegramContacts.csproj
index 7c82e64..32ceb26 100644
--- a/ExportTelegramContacts/ExportTelegramContacts.csproj
+++ b/ExportTelegramContacts/ExportTelegramContacts.csproj
@@ -8,7 +8,7 @@
     <OutputType>Exe</OutputType>
     <RootNamespace>ExportTelegramContacts</RootNamespace>
     <AssemblyName>ExportTelegramContacts</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
@@ -32,15 +32,9 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="BigMath, Version=0.5.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\TLSharp.0.1.0.394\lib\net45\BigMath.dll</HintPath>
-    </Reference>
     <Reference Include="DotNetZip, Version=1.13.3.0, Culture=neutral, PublicKeyToken=6583c7c814667745, processorArchitecture=MSIL">
       <HintPath>..\packages\DotNetZip.1.13.3\lib\net40\DotNetZip.dll</HintPath>
     </Reference>
-    <Reference Include="Ionic.ZLib, Version=2.0.0.14, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\TLSharp.0.1.0.394\lib\net45\Ionic.ZLib.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
@@ -52,10 +46,10 @@
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
     <Reference Include="TeleSharp.TL, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\TLSharp.0.1.0.394\lib\net45\TeleSharp.TL.dll</HintPath>
+      <HintPath>..\packages\TLSharp.0.1.0.574\lib\net46\TeleSharp.TL.dll</HintPath>
     </Reference>
     <Reference Include="TLSharp.Core, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\TLSharp.0.1.0.394\lib\net45\TLSharp.Core.dll</HintPath>
+      <HintPath>..\packages\TLSharp.0.1.0.574\lib\net46\TLSharp.Core.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/ExportTelegramContacts/Program.cs b/ExportTelegramContacts/Program.cs
index 8b7b2bd..fa0e14b 100644
--- a/ExportTelegramContacts/Program.cs
+++ b/ExportTelegramContacts/Program.cs
@@ -10,8 +10,10 @@
 using System.Threading.Tasks;
 using TeleSharp.TL;
 using TeleSharp.TL.Account;
+using TeleSharp.TL.Auth;
 using TeleSharp.TL.Contacts;
 using TLSharp.Core;
+using TLSharp.Core.Exceptions;
 
 namespace ExportTelegramContacts
 {
@@ -343,8 +345,8 @@ private static async Task CallAuthenicate()
 			}
 			Console.Write("Request is sent to your mobile or the telegram app associated with this number, please enter the code here: ");
 			var authCode = Console.ReadLine();
-
-			try
+            TLUser user;
+            try
 			{
 				_user = await _client.MakeAuthAsync(phoneNumber, requestHash, authCode);
 
@@ -355,7 +357,46 @@ private static async Task CallAuthenicate()
 #endif
 
 			}
-			catch (Exception ex)
+            catch (CloudPasswordNeededException)
+            {
+                TLPassword passwordSetting = await _client.GetPasswordSetting();
+                Console.WriteLine("This account needs cloud password.");
+
+            TryAgain:
+                Console.Write("Enter your password: ");
+                string password = Console.ReadLine();
+
+                try
+                {
+                    user = await _client.MakeAuthWithPasswordAsync( passwordSetting, password);
+                }
+                catch // If wrong password
+                {
+                    Console.WriteLine("Hint: " + passwordSetting.Hint);
+
+                    if (passwordSetting.HasRecovery)
+                    {
+                        Console.WriteLine("Do you want to reset your password? [Y|N]");
+                        string answer = Console.ReadLine();
+                        if (answer == "Y")
+                        {
+                            Console.WriteLine("Recovery email: " + passwordSetting.EmailUnconfirmedPattern);
+
+                            // Recover password
+                            Console.Write("Enter email recovery code: ");
+                            string recoveryCode = Console.ReadLine();
+                            _client.SendRequestAsync<TLRequestRecoverPassword>(new TLRequestRecoverPassword() { Code = recoveryCode });
+                        }
+                    }
+                    else
+                    {
+                        Console.WriteLine("This account doesn't have recovery!");
+                    }
+
+                    goto TryAgain;
+                }
+            }
+            catch (Exception ex)
 			{
 				Console.WriteLine(ex.Message);
 				return;
diff --git a/ExportTelegramContacts/packages.config b/ExportTelegramContacts/packages.config
index f1cdc39..550b731 100644
--- a/ExportTelegramContacts/packages.config
+++ b/ExportTelegramContacts/packages.config
@@ -3,5 +3,5 @@
   <package id="BigMath" version="0.5.0" targetFramework="net45" />
   <package id="DotNetZip" version="1.13.3" targetFramework="net47" />
   <package id="MarkerMetro.Unity.Ionic.Zlib" version="2.0.0.14" targetFramework="net45" />
-  <package id="TLSharp" version="0.1.0.394" targetFramework="net47" />
+  <package id="TLSharp" version="0.1.0.574" targetFramework="net48" />
 </packages>
\ No newline at end of file