cron-kubernetes.gemspec in cron-kubernetes-1.1.0 vs cron-kubernetes.gemspec in cron-kubernetes-2.0.0

@@ -1,6 +1,5 @@
-
 # frozen_string_literal: true
 
 lib = File.expand_path("lib", __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "cron_kubernetes/version"
@@ -13,27 +12,28 @@
 
   spec.summary       = "Configure and deploy Kubernetes CronJobs from ruby."
   spec.description   = "Configure and deploy Kubernetes CronJobs from ruby with a single schedule."
   spec.homepage      = "https://github.com/keylimetoolbox/cron-kubernetes"
   spec.license       = "MIT"
+  spec.required_ruby_version = ">= 2.7"
 
-  spec.files         = `git ls-files -z`.split("\x0").reject do |f|
+  spec.files = `git ls-files -z`.split("\x0").reject do |f|
     f.match(%r{^(test|spec|features)/})
   end
   spec.require_paths = ["lib"]
 
   spec.bindir = "bin"
   spec.executables << "cron_kubernetes"
 
   spec.add_dependency "kubeclient", ">= 3.1.2", "< 5.0"
 
   spec.add_development_dependency "appraisal"
-  spec.add_development_dependency "bundler", "~> 1.16"
+  spec.add_development_dependency "bundler", "~> 2.4"
   spec.add_development_dependency "bundler-audit", "~> 0"
   spec.add_development_dependency "mocha", "~> 1.3"
-  spec.add_development_dependency "rake", "~> 12.3"
-  spec.add_development_dependency "rspec", "~> 3.7"
-  spec.add_development_dependency "rubocop", "~> 0.52", ">= 0.52.1"
+  spec.add_development_dependency "rake", "~> 13.1"
+  spec.add_development_dependency "rspec", "~> 3.12"
+  spec.add_development_dependency "rubocop", "~> 1.57"
 
   # For connecting to a GKE cluster in development/test
   spec.add_development_dependency "googleauth"
 end