Lock down the gem version ranges.

Author: postmodern

Diff for: Gemfile

@@ -1,12 +1,12 @@
 source 'https://rubygems.org'
 
-gem 'faraday'
 gem 'rake'
-gem 'kwalify'
-gem 'rspec'
+gem 'faraday', '~> 2.0'
+gem 'kwalify', '~> 0.1'
+gem 'rspec',   '~> 3.0'
 
 group :development do
   gem 'pry'
-  gem 'nokogiri'
-  gem 'activesupport'
+  gem 'nokogiri',      '~> 1.0'
+  gem 'activesupport', '~> 7.0'
 end