diff --git a/rubocop/Gemfile b/rubocop/Gemfile
index 81df664..9f54717 100644
--- a/rubocop/Gemfile
+++ b/rubocop/Gemfile
@@ -4,3 +4,6 @@ source "https://rubygems.org"
 
 # Specify your gem's dependencies in rubocop.gemspec
 gemspec
+
+gem "bundler", "~> 2.2"
+gem "rake", "~> 13.0"
diff --git a/rubocop/rubocop.gemspec b/rubocop/rubocop.gemspec
index c981680..2fd7d54 100644
--- a/rubocop/rubocop.gemspec
+++ b/rubocop/rubocop.gemspec
@@ -27,7 +27,4 @@ Gem::Specification.new do |spec|
   spec.add_dependency "rubocop-rake", "~> 0.6.0"
   spec.add_dependency "rubocop-rspec", "~> 2.26.0"
   spec.add_dependency "rubocop-sequel", "~> 0.3.3"
-
-  spec.add_development_dependency "bundler", "~> 2.2"
-  spec.add_development_dependency "rake", "~> 13.0"
 end