diff --git a/Gemfile b/Gemfile
index e3b04fc..51f8d9c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,3 +4,7 @@ git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in rnes.gemspec
 gemspec
+
+gem 'pry'
+gem 'rspec'
+gem 'rubocop'
diff --git a/Gemfile.lock b/Gemfile.lock
index e5ae17e..80f4d8b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,8 +52,8 @@ DEPENDENCIES
   pry
   rake (~> 10.0)
   rnes!
-  rspec (= 3.7.0)
-  rubocop (= 0.60.0)
+  rspec
+  rubocop
 
 BUNDLED WITH
    1.17.1
diff --git a/rnes.gemspec b/rnes.gemspec
index 818f525..c412c96 100644
--- a/rnes.gemspec
+++ b/rnes.gemspec
@@ -24,8 +24,5 @@ Gem::Specification.new do |spec|
   spec.required_ruby_version = '>= 2.2'
 
   spec.add_development_dependency 'bundler', '~> 1.17'
-  spec.add_development_dependency 'pry'
   spec.add_development_dependency 'rake', '~> 10.0'
-  spec.add_development_dependency 'rspec', '3.7.0'
-  spec.add_development_dependency 'rubocop', '0.60.0'
 end