diff --git a/Gemfile b/Gemfile
index d550b5e..8ac35bc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,6 @@
 source "https://rubygems.org"
 
-gemspec
-
+gemspec development_group: :test
 group :development do
   # Integration testing gems.
   gem "kitchen-cinc-auditor", git: "https://github.com/test-kitchen/kitchen-cinc-auditor.git"
@@ -11,7 +10,6 @@ group :development do
 end
 
 group :test do
-  gem "bundler"
   gem "rake"
   gem "rspec", "~> 3.2"
   gem "rspec-its", "~> 2.0"
diff --git a/README.md b/README.md
index 641f24f..cb0cde7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 # Kitchen-Docker
 
-[![Build Status](https://travis-ci.org/test-kitchen/kitchen-docker.svg?branch=master)](https://travis-ci.org/test-kitchen/kitchen-docker)
 [![Gem Version](https://img.shields.io/gem/v/kitchen-docker.svg)](https://rubygems.org/gems/kitchen-docker)
 [![Coverage](https://img.shields.io/codecov/c/github/test-kitchen/kitchen-docker.svg)](https://codecov.io/github/test-kitchen/kitchen-docker)
 [![License](https://img.shields.io/badge/license-Apache_2-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0)
@@ -667,6 +666,6 @@ limitations under the License.
 [docker_installation]:    https://docs.docker.com/installation/#installation
 [docker_index]:           https://index.docker.io/
 [test_kitchen_docs]:      https://kitchen.ci/docs/getting-started/introduction/
-[chef_omnibus_dl]:        https://downloads.chef.io/chef-client/
+[chef_omnibus_dl]:        https://downloads.chef.io/tools/infra-client
 [cpu_shares]:             https://docs.fedoraproject.org/en-US/Fedora/17/html/Resource_Management_Guide/sec-cpu.html
 [memory_limit]:           https://docs.fedoraproject.org/en-US/Fedora/17/html/Resource_Management_Guide/sec-memory.html
diff --git a/kitchen-docker.gemspec b/kitchen-docker.gemspec
index b864222..3a3b396 100644
--- a/kitchen-docker.gemspec
+++ b/kitchen-docker.gemspec
@@ -3,14 +3,15 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "kitchen/docker/docker_version"
 
 Gem::Specification.new do |spec|
-  spec.name          = "kitchen-docker"
+  spec.name = "kitchen-docker"
+  spec.required_ruby_version = ">= 3.1"
   spec.version       = Kitchen::Docker::DOCKER_VERSION
   spec.authors       = ["Sean Porter"]
   spec.email         = ["portertech@gmail.com"]
   spec.description   = %q{A Docker Driver for Test Kitchen}
   spec.summary       = spec.description
   spec.homepage      = "https://github.com/test-kitchen/kitchen-docker"
-  spec.license       = "Apache 2.0"
+  spec.license       = "Apache-2.0"
 
   spec.files         = `git ls-files`.split($/)
   spec.require_paths = ["lib"]