diff --git a/.expeditor/verify.pipeline.yml b/.expeditor/verify.pipeline.yml
index d3c2e272..a6e26678 100644
--- a/.expeditor/verify.pipeline.yml
+++ b/.expeditor/verify.pipeline.yml
@@ -7,15 +7,15 @@ expeditor:
       timeout_in_minutes: 30
 
 steps:
-- label: run-lint-and-specs-ruby-3.1
+- label: run-lint-and-specs-ruby-3.3
   command:
     - .expeditor/run_linux_tests.sh rake
   expeditor:
     executor:
       docker:
-        image: ruby:3.1-buster
+        image: ruby:3.3
 
-- label: run-specs-windows-ruby-3.1
+- label: run-specs-windows-ruby-3.3
   command:
     - bundle config --local path vendor/bundle
     - bundle config set --local without docs debug
@@ -25,4 +25,4 @@ steps:
     executor:
       docker:
         host_os: windows
-        image: rubydistros/windows-2019:3.1
\ No newline at end of file
+        image: rubydistros/windows-2019:3.3
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 0e91f877..6720e46b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ group :debug do
 end
 
 group :test do
-  gem "chefstyle", "2.1.0"
+  gem "chefstyle", "2.2.3"
   gem "rake"
   gem "rspec", "~> 3.0"
 end
diff --git a/knife-vsphere.gemspec b/knife-vsphere.gemspec
index 6dd2d8e7..dc198034 100644
--- a/knife-vsphere.gemspec
+++ b/knife-vsphere.gemspec
@@ -9,11 +9,11 @@ Gem::Specification.new do |s|
   s.description = "VMware vSphere support for Chef Infra's Knife command"
   s.email = "ezra@cpan.org"
   s.files = Dir["lib/**/*"] + %w{LICENSE}
-  s.required_ruby_version = ">= 3.1"
+  s.required_ruby_version = ">= 3.3"
   s.homepage = "https://github.com/chef/knife-vsphere"
   s.license = "Apache-2.0"
   s.add_dependency "rbvmomi2", ">= 3.5.0", "< 4.0"
   s.add_dependency "filesize", ">= 0.1.1", "< 0.3.0"
   s.add_dependency "chef-vault", ">= 2.6"
-  s.add_dependency "knife", ">= 17"
+  s.add_dependency "knife", "~> 18"
 end
diff --git a/spec/vsphere_vm_find_spec.rb b/spec/vsphere_vm_find_spec.rb
index ddc5813f..b2bf0960 100644
--- a/spec/vsphere_vm_find_spec.rb
+++ b/spec/vsphere_vm_find_spec.rb
@@ -1,5 +1,6 @@
 require "spec_helper"
 require "chef/knife/vsphere_vm_find"
+require "ostruct"
 
 class Hash
   # An artifact of me using hashes to represent the VM -- the method needs to be there to mock