diff --git a/packages/virt-viewer/tools/chocolateyinstall.ps1 b/packages/virt-viewer/tools/chocolateyinstall.ps1
index 8fa7a20..c6bf4b2 100755
--- a/packages/virt-viewer/tools/chocolateyinstall.ps1
+++ b/packages/virt-viewer/tools/chocolateyinstall.ps1
@@ -1,18 +1,19 @@
 # KVM Virt Viewer for Windows
-# 2011-2020 foo.li systeme + software
+# 2011-2022 foo.li systeme + software
 
 $packageName	= 'virt-viewer'
-$version        = '9.0'
-$fullversion	= '9.0.256'
+$version        = '11.0'
+$installerver   = '11.0-1.0'
+$fullversion	= '11.0.256'
 $installerType	= 'msi'
 $silentArgs	= '/qn /l*v ' + $env:Temp + '\virtviewer-setup.log'
 $packageSearch  = 'VirtViewer*'
 $validExitCodes	= @(0,3010)
-$url		= 'https://virt-manager.org/download/sources/virt-viewer/virt-viewer-x86-' + $version + '.msi'
-$url64		= 'https://virt-manager.org/download/sources/virt-viewer/virt-viewer-x64-' + $version + '.msi'
-$checksum	= 'dfb1c9cd3c1c9f66758b66e6f5850980fcacb3be'
+$url		= 'https://virt-manager.org/download/sources/virt-viewer/virt-viewer-x86-' + $installerver + '.msi'
+$url64		= 'https://virt-manager.org/download/sources/virt-viewer/virt-viewer-x64-' + $installerver + '.msi'
+$checksum	= 'ac1e07d89eda6d53990e652076526292203f97d2'
 $checksumType	= 'sha1'
-$checksum64	= 'c4937d737b0982b424e66d8446c586e5b84a8570'
+$checksum64	= '2c5427a86a00542efecbef73575c8db0996972d8'
 $checksumType64 = $checksumType
 
 try {
diff --git a/packages/virt-viewer/virt-viewer.nuspec b/packages/virt-viewer/virt-viewer.nuspec
index 9efb39f..23d6f9c 100755
--- a/packages/virt-viewer/virt-viewer.nuspec
+++ b/packages/virt-viewer/virt-viewer.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>virt-viewer</id>
-    <version>9.0.256</version>
+    <version>11.0.256</version>
     <title>Virt Viewer</title>
     <authors>RedHat</authors>
     <owners>foo.li systeme + software</owners>
@@ -12,7 +12,7 @@
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
     <description>KVM Virt Viewer</description>
     <summary>KVM Virt Viewer</summary>
-    <releaseNotes>upgrade to 9.0</releaseNotes>
+    <releaseNotes>upgrade to 11.0</releaseNotes>
     <tags>virtualisation management gui kvm</tags>
   </metadata>
   <!-- building package on gnu/linux with nuget (https://packages.debian.org/stretch/nuget)