diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 0079a7f..5866760 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -23,7 +23,7 @@ jobs:
         ruby-version: '3.4'
         bundler-cache: true
     - id: ruby
-      uses: voxpupuli/ruby-version@v1
+      uses: voxpupuli/ruby-version@v2
 
   test:
     runs-on: ubuntu-24.04
diff --git a/vanagon.gemspec b/vanagon.gemspec
index 9205d0f..aea6b98 100644
--- a/vanagon.gemspec
+++ b/vanagon.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |gem|
   gem.authors  = ['Puppet By Perforce', 'OpenVoxProject']
   gem.email    = 'voxpupuli@groups.io'
   gem.homepage = 'http://github.com/OpenVoxProject/vanagon'
-  gem.required_ruby_version = ['>= 3.2', '< 4']
+  gem.required_ruby_version = ['>= 3.2', '< 5']
 
   gem.add_dependency('docopt', '~> 0.6.1')
   # Handle git repos responsibly
@@ -31,6 +31,8 @@ Gem::Specification.new do |gem|
   gem.add_dependency('packaging', '~> 0.122.3')
   gem.add_dependency('psych', '>= 4.0', '< 6')
 
+  gem.add_dependency('ostruct', '< 0.7')
+
   gem.require_path = 'lib'
   gem.bindir       = 'bin'
   gem.executables  = %w[vanagon build inspect ship render repo sign