diff --git a/.rubocop.yml b/.rubocop.yml
index ef904792c4..af0e19fb11 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -10,6 +10,11 @@ AllCops:
 Bundler/DuplicatedGem:
   Enabled: false
 
+Gemspec/RequiredRubyVersion:
+  # Rubocop checks that the target ruby version matches the gemspec version
+  # but doesnt have a 2.2 option
+  Enabled: false
+
 Layout/AccessModifierIndentation:
   Enabled: false
 
diff --git a/Changelog.md b/Changelog.md
index 8f8cd1ac64..22168bf569 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -7,6 +7,7 @@ Bug Fixes:
 * Fix comparison of times for `#at` in job matchers. (Jon Rowe, Markus Doits, #2304)
 * Allow `have_enqueued_mail` to match when a sub class of `ActionMailer::DeliveryJob`
   is set using `<Class>.delivery_job=`. (Atsushi Yoshida #2305)
+* Add `required_ruby_version` to gem spec. (Marc-André Lafortune, #2319, #2338)
 
 ### 4.0.0 / 2020-03-24
 [Full Changelog](https://github.com/rspec/rspec-rails/compare/v3.9.1...v4.0.0)
diff --git a/rspec-rails.gemspec b/rspec-rails.gemspec
index 9b84f4809d..f23b732435 100644
--- a/rspec-rails.gemspec
+++ b/rspec-rails.gemspec
@@ -11,6 +11,7 @@ Gem::Specification.new do |s|
   s.homepage    = "https://github.com/rspec/rspec-rails"
   s.summary     = "RSpec for Rails"
   s.description = "rspec-rails is a testing framework for Rails 5+."
+  s.required_ruby_version = ">= 2.2.0"
 
   s.metadata = {
     'bug_tracker_uri'   => 'https://github.com/rspec/rspec-rails/issues',