diff --git a/packages/kopano-ol-extension-nightly/kopano-ol-extension-nightly.nuspec b/packages/kopano-ol-extension-nightly/kopano-ol-extension-nightly.nuspec
index b39ce17..d95e7c8 100755
--- a/packages/kopano-ol-extension-nightly/kopano-ol-extension-nightly.nuspec
+++ b/packages/kopano-ol-extension-nightly/kopano-ol-extension-nightly.nuspec
@@ -12,9 +12,9 @@
         <requireLicenseAcceptance>true</requireLicenseAcceptance>
         <description>Kopano Outlook Extension (nightly)</description>
         <summary>Kopano OL Extension Nightly (unsupported)</summary>
-        <releaseNotes>initial nightly packaging</releaseNotes>
+        <releaseNotes>upgrade to 1.5.218 (02-08-2017)</releaseNotes>
         <copyright>2017 Kopano</copyright>
         <language />
         <tags>groupware kopano outlook-extension nightly</tags>
     </metadata>
-</package>
\ No newline at end of file
+</package>
diff --git a/packages/kopano-ol-extension-nightly/tools/chocolateyinstall.ps1 b/packages/kopano-ol-extension-nightly/tools/chocolateyinstall.ps1
index 6de0066..0449985 100755
--- a/packages/kopano-ol-extension-nightly/tools/chocolateyinstall.ps1
+++ b/packages/kopano-ol-extension-nightly/tools/chocolateyinstall.ps1
@@ -6,13 +6,13 @@ $packageName    = 'kopano-ol-extension-nightly'
 $packageSearch  = 'Kopano OL Extension'
 $installerType  = 'msi'
 $silentArgs     = '/qb'
-$version        = '1.5.217'
-$intvers        = '1.5-217'
+$version        = '1.5.218'
+$intvers        = '1.5-218'
 $url            = 'https://download.kopano.io/community/olextension:/KopanoOLExtension-' + $intvers + '-32bit.msi'
 $url64          = 'https://download.kopano.io/community/olextension:/KopanoOLExtension-' + $intvers + '-64bit.msi'
-$checksum       = '66F7CD2075EC5993CABB4B903E8A9E73EE450B08'
+$checksum       = 'B5F74283C016F3CB907D8A603D4D980F4F05E2B1'
 $checksumType   = 'sha1'
-$checksum64     = 'CF4587BEF7DC3F6E5B779467F61494C67AEF032F'
+$checksum64     = 'AB4DDC7BD795D1E544807AB1D313D55D6988E787'
 $checksumType64 = $checksumType
 
 try {