diff --git a/IOB-WIN/IOB-WIN.csproj b/IOB-WIN/IOB-WIN.csproj
index f301b75f..28398ac8 100644
--- a/IOB-WIN/IOB-WIN.csproj
+++ b/IOB-WIN/IOB-WIN.csproj
@@ -49,8 +49,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="AutoUpdater.NET, Version=1.4.4.0, Culture=neutral, PublicKeyToken=942f95247e354701, processorArchitecture=MSIL">
-      <HintPath>..\packages\Autoupdater.NET.Official.1.4.4\lib\net452\AutoUpdater.NET.dll</HintPath>
+    <Reference Include="AutoUpdater.NET, Version=1.4.6.0, Culture=neutral, PublicKeyToken=942f95247e354701, processorArchitecture=MSIL">
+      <HintPath>..\packages\Autoupdater.NET.Official.1.4.6\lib\net452\AutoUpdater.NET.dll</HintPath>
     </Reference>
     <Reference Include="NLog, Version=4.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <HintPath>..\packages\NLog.4.4.12\lib\net45\NLog.dll</HintPath>
diff --git a/IOB-WIN/connParam.cs b/IOB-WIN/connParam.cs
index ebf553ad..4f537e00 100644
--- a/IOB-WIN/connParam.cs
+++ b/IOB-WIN/connParam.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using S7.Net;
 
 namespace IOB_WIN
 {
diff --git a/IOB-WIN/packages.config b/IOB-WIN/packages.config
index b227134b..7604d477 100644
--- a/IOB-WIN/packages.config
+++ b/IOB-WIN/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Autoupdater.NET.Official" version="1.4.4" targetFramework="net461" />
+  <package id="Autoupdater.NET.Official" version="1.4.6" targetFramework="net461" />
   <package id="Microsoft.VisualStudio.SlowCheetah" version="3.0.61" targetFramework="net461" />
   <package id="NLog" version="4.4.12" targetFramework="net461" />
   <package id="NLog.Config" version="4.4.12" targetFramework="net461" />