diff --git a/automatic/gtkwave/gtkwave.nuspec b/automatic/gtkwave/gtkwave.nuspec
index 1ff337e50..9376392a7 100644
--- a/automatic/gtkwave/gtkwave.nuspec
+++ b/automatic/gtkwave/gtkwave.nuspec
@@ -3,7 +3,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2015/06/nuspec.xsd">
   <metadata>
     <id>gtkwave</id>
-    <version>3.3.90</version>
+    <version>3.3.91</version>
     <packageSourceUrl>https://github.com/AdmiringWorm/chocolatey-packages/tree/master/automatic/gtkwave</packageSourceUrl>
     <owners>AdmiringWorm</owners>
     <title>GTKWave</title>
diff --git a/automatic/gtkwave/legal/VERIFICATION.txt b/automatic/gtkwave/legal/VERIFICATION.txt
index 755563032..5c7fd0c98 100644
--- a/automatic/gtkwave/legal/VERIFICATION.txt
+++ b/automatic/gtkwave/legal/VERIFICATION.txt
@@ -6,13 +6,13 @@ The embedded software have been downloaded from the listed download
 location on <https://sourceforge.net/projects/gtkwave/files/>
 and can be verified by doing the following:
 
-1. Download the following <https://sourceforge.net/projects/gtkwave/files/gtkwave-3.3.90-bin-win32/gtkwave-3.3.90-bin-win32.zip/download>
+1. Download the following <https://sourceforge.net/projects/gtkwave/files/gtkwave-3.3.91-bin-win32/gtkwave-3.3.91-bin-win32.zip/download>
 2. Get the checksum using one of the following methods:
   - Using powershell function 'Get-FileHash'
   - Use chocolatey utility 'checksum.exe'
 3. The checksums should match the following:
 
   checksum type: sha256
-  checksum: FF68FA4CDE0FE0BF070A02D24D51E6DFC2DE506CD065B8564EBDB7F4798AAF4B
+  checksum: 6BEAF73FC4A3B5F0EA143BE088E6E05AFEF0708FAC916879B70302C533DDF33C
 
 The file 'LICENSE.txt' has been obtained from <https://sourceforge.net/p/gtkwave/code/HEAD/tree/gtkwave3/LICENSE.TXT?format=raw>
diff --git a/automatic/gtkwave/tools/chocolateyInstall.ps1 b/automatic/gtkwave/tools/chocolateyInstall.ps1
index c0aa2bc06..3f5e8be8d 100644
--- a/automatic/gtkwave/tools/chocolateyInstall.ps1
+++ b/automatic/gtkwave/tools/chocolateyInstall.ps1
@@ -5,7 +5,7 @@ $toolsPath = Split-Path -parent $MyInvocation.MyCommand.Definition
 $packageArgs = @{
   packageName = $env:ChocolateyPackageName
   fileType    = 'zip'
-  file        = "$toolsPath\gtkwave-3.3.90-bin-win32.zip"
+  file        = "$toolsPath\gtkwave-3.3.91-bin-win32.zip"
   destination = $toolsPath
 }