Gemfile in pageflow-vr-1.3.0 vs Gemfile in pageflow-vr-1.4.0

@@ -1,4 +1,9 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in pageflow-vr.gemspec
 gemspec
+
+group :development, :test do
+  # Help Bundler resolve dependencies
+  gem 'rails', '~> 5.2.0'
+end