diff --git a/IOB-WIN/IOB-WIN.csproj b/IOB-WIN/IOB-WIN.csproj
index 47321505..f594fc58 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=1.4.7.0, Culture=neutral, PublicKeyToken=942f95247e354701, processorArchitecture=MSIL">
-      <HintPath>..\packages\Autoupdater.NET.Official.1.4.7\lib\net452\AutoUpdater.NET.dll</HintPath>
+    <Reference Include="AutoUpdater.NET, Version=1.4.9.0, Culture=neutral, PublicKeyToken=501435c91b35f4bc, processorArchitecture=MSIL">
+      <HintPath>..\packages\Autoupdater.NET.Official.1.4.9\lib\net452\AutoUpdater.NET.dll</HintPath>
     </Reference>
     <Reference Include="NLog, Version=4.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <HintPath>..\packages\NLog.4.5.2\lib\net45\NLog.dll</HintPath>
diff --git a/IOB-WIN/packages.config b/IOB-WIN/packages.config
index 970b1a3f..1fd46d13 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="1.4.7" targetFramework="net461" />
+  <package id="Autoupdater.NET.Official" version="1.4.9" targetFramework="net461" />
   <package id="Microsoft.VisualStudio.SlowCheetah" version="3.0.61" targetFramework="net461" />
   <package id="NLog" version="4.5.2" targetFramework="net461" />
   <package id="NLog.Config" version="4.5.2" targetFramework="net461" />
diff --git a/Jenkinsfile b/Jenkinsfile
index 6f31c47f..f3d81c72 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -14,7 +14,7 @@ pipeline {
 
       /* calcolo numero versione... diverso x branch MASTER/DEVELOP */
       script {
-        withEnv(['NEXT_BUILD_NUMBER=255']) {
+        withEnv(['NEXT_BUILD_NUMBER=256']) {
           // env.versionNumber = VersionNumber(versionNumberString : '1.18.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true)
           env.versionNumber = VersionNumber(versionNumberString : '1.18.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
           env.APP_NAME = 'MAPO-IOB-WIN'