Gemfile in pageflow-timeline-page-1.4.0 vs Gemfile in pageflow-timeline-page-1.5.0

@@ -1,4 +1,7 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in chart.gemspec
 gemspec
+
+# Speed up dependency resolution
+gem 'rails', '~> 5.2.0'