diff --git a/.expeditor/run_linux_tests.sh b/.expeditor/run_linux_tests.sh
index fc2f6b2b..e8dc6be7 100755
--- a/.expeditor/run_linux_tests.sh
+++ b/.expeditor/run_linux_tests.sh
@@ -9,6 +9,7 @@ export LANG=C.UTF-8 LANGUAGE=C.UTF-8
 
 echo "--- bundle install"
 bundle config --local path vendor/bundle
+bundle config --local without debug
 bundle install --jobs=7 --retry=3
 
 echo "+++ bundle exec task"
diff --git a/.expeditor/run_windows_tests.ps1 b/.expeditor/run_windows_tests.ps1
index faf85ae8..9e943a44 100644
--- a/.expeditor/run_windows_tests.ps1
+++ b/.expeditor/run_windows_tests.ps1
@@ -9,5 +9,5 @@ If ($lastexitcode -ne 0) { Exit $lastexitcode }
 
 Write-Output "--- Bundle Execute"
 
-bundle exec rake 
+bundle exec rake
 If ($lastexitcode -ne 0) { Exit $lastexitcode }
diff --git a/.expeditor/verify.pipeline.yml b/.expeditor/verify.pipeline.yml
index 19ca7f91..97875cfd 100644
--- a/.expeditor/verify.pipeline.yml
+++ b/.expeditor/verify.pipeline.yml
@@ -10,7 +10,6 @@ expeditor:
       timeout_in_minutes: 30
 
 steps:
-
 - label: run-specs-ruby-2.7
   command:
     - .expeditor/run_linux_tests.sh rake
diff --git a/Gemfile b/Gemfile
index f315bf97..2215f1b9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,22 +2,14 @@ source "https://rubygems.org"
 
 gemspec
 
-gem "chef-utils", "= 16.6.14" if RUBY_VERSION < "2.6.0"
-
 group :test do
   gem "rake"
   gem "rspec"
   gem "webrick"
   gem "webmock", "~> 3.4"
   gem "contracts", "~> 0.16.0" # this entry can go away when ruby < 3 support is gone
-  if RUBY_VERSION < "2.6.0"
-    gem "climate_control", "= 0.1.0"
-    gem "vcr", "= 6.0.0"
-    gem "mixlib-shellout", "= 3.2.5"
-  else
-    gem "climate_control", "~> 1.0"
-    gem "vcr"
-  end
+  gem "climate_control", "~> 1.0"
+  gem "vcr"
 end
 
 # use old chefstyle to support TargetRubyVersion of 1.9
diff --git a/README.md b/README.md
index 0d710056..75a3ca99 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,9 @@
 
 ## Supports
 
-- Ruby 1.9.3+
-- Chef 11.6.2+ chef-client upgrades
+- Ruby 2.6+
+- Chef 14+ chef-client upgrades
+  - To upgrade older versions of chef-client, it will be necessary to use older versions of mixlib-install that are compatible with versions of ruby prior to 2.6.
 
 ## Command Line Usage
 ```
diff --git a/mixlib-install.gemspec b/mixlib-install.gemspec
index e7b607f5..c63715d5 100644
--- a/mixlib-install.gemspec
+++ b/mixlib-install.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |spec|
   spec.files         = %w{LICENSE Gemfile Rakefile} + Dir.glob("*.gemspec") + Dir.glob("{bin,lib,support}/**/*")
   spec.executables   = ["mixlib-install"]
   spec.require_paths = ["lib"]
-
+  spec.required_ruby_version = ">= 2.6.0"
   spec.add_dependency "mixlib-shellout"
   spec.add_dependency "mixlib-versioning"
   spec.add_dependency "thor"