diff --git a/chitubox/chitubox.nuspec b/chitubox/chitubox.nuspec
index 077cf76..2bb9049 100644
--- a/chitubox/chitubox.nuspec
+++ b/chitubox/chitubox.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>chitubox</id>
-    <version>1.7.0</version>
+    <version>1.8.1</version>
     <title>CHITUBOX</title>
     <authors>CBD-Tech</authors>
     <owners>Adam</owners>
diff --git a/chitubox/tools/chocolateyInstall.ps1 b/chitubox/tools/chocolateyInstall.ps1
index 0bb0d7f..ea4e50b 100644
--- a/chitubox/tools/chocolateyInstall.ps1
+++ b/chitubox/tools/chocolateyInstall.ps1
@@ -2,8 +2,8 @@ $packageArgs = @{
   packageName    = $env:ChocolateyPackageName
   FileType       = 'exe'
   SilentArgs     = '/S'
-  Url64          = '\\ucs\software\CHITUBOX64Install_V1.7.0.exe'
-  Checksum64     = '37c4e4659fb7d459b0f5849c94084c8736461479bb15f2d29d3443045440974f'
+  Url64          = '\\ucs\software\CHITUBOX64Install_V1.8.1.exe'
+  Checksum64     = '40938d0653da9fa90aa9f90cc3cc0dd094d756ec2b5c3b9d1548db68f3b81a63'
   ChecksumType64 = 'sha256'
   ValidExitCodes = @(0, 1223)
 }